From 6ad8b92c84b8d2338a9a2a89bf130d2de5dfc4ba Mon Sep 17 00:00:00 2001
From: Jarl Gullberg <Jarl.Gullberg@gmail.com>
Date: Tue, 9 Jan 2018 12:06:39 +0100
Subject: [PATCH] Split FsCheck data generators into a helper library (#716)

* Move generators and assertions to helper library.

* Add example usage to bezier curve tests.

* Add FsCheck to OpenTK.Tests.Math via paket.

* Tweak fsharp msbuild settings for OpenTK.Tests.Generators.
---
 OpenTK.sln                                    |    7 +
 paket.dependencies                            |    2 +-
 .../Assertions.fs                             |    6 +-
 .../Generators.fs                             |    6 +-
 .../OpenTK.Tests.Generators.fsproj            | 1538 +++++++++++++++++
 .../OpenTK.Tests.Generators/paket.references  |    2 +
 tests/OpenTK.Tests.Math/BezierCurveTests.cs   |   38 +-
 .../OpenTK.Tests.Math.csproj                  | 1429 ++++++++++++++-
 tests/OpenTK.Tests.Math/paket.references      |    3 +-
 tests/OpenTK.Tests/MathHelperTests.fs         |    1 +
 tests/OpenTK.Tests/Matrix4Tests.fs            |    1 +
 tests/OpenTK.Tests/OpenTK.Tests.fsproj        |    6 +-
 tests/OpenTK.Tests/Vector2Tests.fs            |    1 +
 tests/OpenTK.Tests/Vector3Tests.fs            |    1 +
 tests/OpenTK.Tests/Vector4Tests.fs            |    1 +
 15 files changed, 3021 insertions(+), 21 deletions(-)
 rename tests/{OpenTK.Tests => OpenTK.Tests.Generators}/Assertions.fs (97%)
 rename tests/{OpenTK.Tests => OpenTK.Tests.Generators}/Generators.fs (96%)
 create mode 100644 tests/OpenTK.Tests.Generators/OpenTK.Tests.Generators.fsproj
 create mode 100644 tests/OpenTK.Tests.Generators/paket.references

diff --git a/OpenTK.sln b/OpenTK.sln
index 7b355d61..aee7aa30 100644
--- a/OpenTK.sln
+++ b/OpenTK.sln
@@ -41,6 +41,8 @@ Project("{F2A71F9B-5D33-465A-A702-920D77279786}") = "OpenTK.Tests.Integration",
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenTK.Tests.Math", "tests\OpenTK.Tests.Math\OpenTK.Tests.Math.csproj", "{C2B07CD9-B388-4FC3-AF31-C648F7EA904E}"
 EndProject
+Project("{F2A71F9B-5D33-465A-A702-920D77279786}") = "OpenTK.Tests.Generators", "tests\OpenTK.Tests.Generators\OpenTK.Tests.Generators.fsproj", "{2B11AAEB-D8AC-4356-938F-532D720E0C30}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -91,6 +93,10 @@ Global
 		{C2B07CD9-B388-4FC3-AF31-C648F7EA904E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C2B07CD9-B388-4FC3-AF31-C648F7EA904E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{C2B07CD9-B388-4FC3-AF31-C648F7EA904E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2B11AAEB-D8AC-4356-938F-532D720E0C30}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2B11AAEB-D8AC-4356-938F-532D720E0C30}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2B11AAEB-D8AC-4356-938F-532D720E0C30}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2B11AAEB-D8AC-4356-938F-532D720E0C30}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -99,5 +105,6 @@ Global
 		{6801C263-ADDA-4A7B-979D-649BCB5A1DF7} = {1857BB8E-1A35-4EBF-9F6D-685F11DC025B}
 		{522D9279-3ED6-475F-867A-6AE69A53C24A} = {1857BB8E-1A35-4EBF-9F6D-685F11DC025B}
 		{C2B07CD9-B388-4FC3-AF31-C648F7EA904E} = {1857BB8E-1A35-4EBF-9F6D-685F11DC025B}
+		{2B11AAEB-D8AC-4356-938F-532D720E0C30} = {1857BB8E-1A35-4EBF-9F6D-685F11DC025B}
 	EndGlobalSection
 EndGlobal
diff --git a/paket.dependencies b/paket.dependencies
index dc672340..6f6b6d4b 100644
--- a/paket.dependencies
+++ b/paket.dependencies
@@ -16,4 +16,4 @@ nuget xunit.core 2.2.0 restriction: >= net452
 nuget xunit.assert 2.2.0 restriction: >= net452
 nuget FAKE
 nuget Mono.Cecil >= 0.10.0-beta6
-nuget gtk-sharp3
+nuget gtk-sharp3
\ No newline at end of file
diff --git a/tests/OpenTK.Tests/Assertions.fs b/tests/OpenTK.Tests.Generators/Assertions.fs
similarity index 97%
rename from tests/OpenTK.Tests/Assertions.fs
rename to tests/OpenTK.Tests.Generators/Assertions.fs
index b3d8fe3f..bf149692 100644
--- a/tests/OpenTK.Tests/Assertions.fs
+++ b/tests/OpenTK.Tests.Generators/Assertions.fs
@@ -1,4 +1,4 @@
-namespace OpenTK.Tests
+namespace OpenTK.Tests.Generators
 
 open Xunit
 open FsCheck
@@ -7,7 +7,7 @@ open System
 open OpenTK
 
 [<AutoOpen>]
-module private AssertHelpers =
+module public AssertHelpers =
     [<Literal>]
     let private BitAccuracy = 16
 
@@ -30,7 +30,7 @@ module private AssertHelpers =
 
 /// We use a full type here instead of a module, as the overloading semantics are more suitable for our desired goal.
 [<Sealed>]
-type internal Assert =
+type public Assert =
 
     static member ApproximatelyEquivalent(a : Vector2,b : Vector2) =
         if not <| approxEq a.X b.X && approxEq a.Y b.Y then raise <| new Xunit.Sdk.EqualException(a,b)
diff --git a/tests/OpenTK.Tests/Generators.fs b/tests/OpenTK.Tests.Generators/Generators.fs
similarity index 96%
rename from tests/OpenTK.Tests/Generators.fs
rename to tests/OpenTK.Tests.Generators/Generators.fs
index 39200f5b..8e07d671 100644
--- a/tests/OpenTK.Tests/Generators.fs
+++ b/tests/OpenTK.Tests.Generators/Generators.fs
@@ -1,8 +1,6 @@
-namespace OpenTK.Tests
+namespace OpenTK.Tests.Generators
 
-open Xunit
 open FsCheck
-open FsCheck.Xunit
 open System
 open OpenTK
 
@@ -66,7 +64,7 @@ module private Generators =
         |> Gen.map Matrix4
         |> Arb.fromGen
 
-type OpenTKGen =
+type public OpenTKGen =
     static member Single() = single
     static member float32() = single
     static member Double() = double
diff --git a/tests/OpenTK.Tests.Generators/OpenTK.Tests.Generators.fsproj b/tests/OpenTK.Tests.Generators/OpenTK.Tests.Generators.fsproj
new file mode 100644
index 00000000..3ee31ff7
--- /dev/null
+++ b/tests/OpenTK.Tests.Generators/OpenTK.Tests.Generators.fsproj
@@ -0,0 +1,1538 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{2B11AAEB-D8AC-4356-938F-532D720E0C30}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <RootNamespace>OpenTK.Tests.Generators</RootNamespace>
+    <AssemblyName>OpenTK.Tests.Generators</AssemblyName>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFSharpCoreVersion>4.4.0.0</TargetFSharpCoreVersion>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <Tailcalls>false</Tailcalls>
+    <OutputPath>bin\$(Configuration)\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <WarningLevel>3</WarningLevel>
+    <OtherFlags>--warnon:1182</OtherFlags>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <Tailcalls>true</Tailcalls>
+    <OutputPath>bin\$(Configuration)\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <WarningLevel>3</WarningLevel>
+    <OtherFlags>--warnon:1182</OtherFlags>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="mscorlib" />
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Numerics" />
+    <Reference Include="System.ValueTuple">
+      <HintPath>..\..\packages\System.ValueTuple.4.3.0\lib\netstandard1.0\System.ValueTuple.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="AssemblyInfo.fs" />
+    <Compile Include="Assertions.fs" />
+    <Compile Include="Generators.fs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\OpenTK\OpenTK.csproj">
+      <Project>{a37a7e14-0000-0000-0000-000000000000}</Project>
+      <Name>OpenTK</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <PropertyGroup>
+    <MinimumVisualStudioVersion Condition="'$(MinimumVisualStudioVersion)' == ''">11</MinimumVisualStudioVersion>
+  </PropertyGroup>
+  <Choose>
+    <When Condition="'$(VisualStudioVersion)' == '11.0'">
+      <PropertyGroup Condition="Exists('$(MSBuildExtensionsPath32)\..\Microsoft SDKs\F#\3.0\Framework\v4.0\Microsoft.FSharp.Targets')">
+        <FSharpTargetsPath>$(MSBuildExtensionsPath32)\..\Microsoft SDKs\F#\3.0\Framework\v4.0\Microsoft.FSharp.Targets</FSharpTargetsPath>
+      </PropertyGroup>
+    </When>
+    <Otherwise>
+      <PropertyGroup Condition="Exists('$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\FSharp\Microsoft.FSharp.Targets')">
+        <FSharpTargetsPath>$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\FSharp\Microsoft.FSharp.Targets</FSharpTargetsPath>
+      </PropertyGroup>
+    </Otherwise>
+  </Choose>
+  <Import Project="$(FSharpTargetsPath)" Condition="Exists('$(FSharpTargetsPath)')" />
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="FsCheck">
+          <HintPath>..\..\packages\FsCheck\lib\net452\FsCheck.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == 'MonoTouch') Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == 'Xamarin.iOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.Mac') Or ($(TargetFrameworkIdentifier) == 'Xamarin.tvOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.watchOS')">
+      <ItemGroup>
+        <Reference Include="FsCheck">
+          <HintPath>..\..\packages\FsCheck\lib\netstandard1.6\FsCheck.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCore') Or ($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v2.2' Or $(TargetFrameworkVersion) == 'v2.3' Or $(TargetFrameworkVersion) == 'v4.0.3' Or $(TargetFrameworkVersion) == 'v4.1' Or $(TargetFrameworkVersion) == 'v4.2' Or $(TargetFrameworkVersion) == 'v4.3' Or $(TargetFrameworkVersion) == 'v4.4' Or $(TargetFrameworkVersion) == 'v5.0' Or $(TargetFrameworkVersion) == 'v5.1' Or $(TargetFrameworkVersion) == 'v6.0')) Or ($(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5' Or $(TargetFrameworkVersion) == 'v4.5.1')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v1.2' Or $(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5')) Or ($(TargetFrameworkProfile) == 'Profile7') Or ($(TargetFrameworkProfile) == 'Profile44')">
+      <ItemGroup>
+        <Reference Include="FsCheck">
+          <HintPath>..\..\packages\FsCheck\lib\portable-net45+netcore45\FsCheck.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETStandard' And $(TargetFrameworkVersion) == 'v1.0') Or ($(TargetFrameworkProfile) == 'Profile78') Or ($(TargetFrameworkProfile) == 'Profile49') Or ($(TargetFrameworkProfile) == 'Profile31') Or ($(TargetFrameworkIdentifier) == 'WindowsPhone' And ($(TargetFrameworkVersion) == 'v8.0' Or $(TargetFrameworkVersion) == 'v8.1'))">
+      <ItemGroup>
+        <Reference Include="FsCheck">
+          <HintPath>..\..\packages\FsCheck\lib\portable-net45+netcore45+wp8\FsCheck.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'WindowsPhoneApp') Or ($(TargetFrameworkProfile) == 'Profile259') Or ($(TargetFrameworkProfile) == 'Profile111') Or ($(TargetFrameworkProfile) == 'Profile151') Or ($(TargetFrameworkProfile) == 'Profile157') Or ($(TargetFrameworkProfile) == 'Profile32') Or ($(TargetFrameworkProfile) == 'Profile84') Or ($(TargetFrameworkIdentifier) == '.NETCore' And $(TargetFrameworkVersion) == 'v5.0')">
+      <ItemGroup>
+        <Reference Include="FsCheck">
+          <HintPath>..\..\packages\FsCheck\lib\portable-net45+netcore45+wpa81+wp8\FsCheck.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="FsCheck.Xunit">
+          <HintPath>..\..\packages\FsCheck.Xunit\lib\net452\FsCheck.Xunit.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == 'MonoTouch') Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == 'Xamarin.iOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.Mac') Or ($(TargetFrameworkIdentifier) == 'Xamarin.tvOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.watchOS')">
+      <ItemGroup>
+        <Reference Include="FsCheck.Xunit">
+          <HintPath>..\..\packages\FsCheck.Xunit\lib\netstandard1.6\FsCheck.Xunit.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5' Or $(TargetFrameworkVersion) == 'v4.5.1' Or $(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="FSharp.Core">
+          <HintPath>..\..\packages\FSharp.Core\lib\net45\FSharp.Core.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == 'MonoTouch') Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == 'Xamarin.iOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.Mac') Or ($(TargetFrameworkIdentifier) == 'Xamarin.tvOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.watchOS')">
+      <ItemGroup>
+        <Reference Include="FSharp.Core">
+          <HintPath>..\..\packages\FSharp.Core\lib\netstandard1.6\FSharp.Core.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="Microsoft.Win32.Primitives">
+          <HintPath>..\..\packages\Microsoft.Win32.Primitives\lib\net46\Microsoft.Win32.Primitives.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="Microsoft.Win32.Primitives">
+          <HintPath>..\..\packages\Microsoft.Win32.Primitives\ref\netstandard1.3\Microsoft.Win32.Primitives.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.AppContext">
+          <HintPath>..\..\packages\System.AppContext\lib\net463\System.AppContext.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.AppContext">
+          <HintPath>..\..\packages\System.AppContext\lib\netstandard1.6\System.AppContext.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.AppContext">
+          <HintPath>..\..\packages\System.AppContext\ref\netstandard1.6\System.AppContext.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Buffers">
+          <HintPath>..\..\packages\System.Buffers\lib\netstandard1.1\System.Buffers.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Collections">
+          <HintPath>..\..\packages\System.Collections\ref\netstandard1.3\System.Collections.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Collections.Concurrent">
+          <HintPath>..\..\packages\System.Collections.Concurrent\lib\netstandard1.3\System.Collections.Concurrent.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Collections.Concurrent">
+          <HintPath>..\..\packages\System.Collections.Concurrent\ref\netstandard1.3\System.Collections.Concurrent.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Console">
+          <HintPath>..\..\packages\System.Console\lib\net46\System.Console.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Console">
+          <HintPath>..\..\packages\System.Console\ref\netstandard1.3\System.Console.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.Debug">
+          <HintPath>..\..\packages\System.Diagnostics.Debug\ref\netstandard1.3\System.Diagnostics.Debug.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.DiagnosticSource">
+          <HintPath>..\..\packages\System.Diagnostics.DiagnosticSource\lib\netstandard1.3\System.Diagnostics.DiagnosticSource.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.Tools">
+          <HintPath>..\..\packages\System.Diagnostics.Tools\ref\netstandard1.0\System.Diagnostics.Tools.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.Tracing">
+          <HintPath>..\..\packages\System.Diagnostics.Tracing\lib\net462\System.Diagnostics.Tracing.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.Tracing">
+          <HintPath>..\..\packages\System.Diagnostics.Tracing\ref\netstandard1.3\System.Diagnostics.Tracing.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.Tracing">
+          <HintPath>..\..\packages\System.Diagnostics.Tracing\ref\netstandard1.5\System.Diagnostics.Tracing.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Globalization">
+          <HintPath>..\..\packages\System.Globalization\ref\netstandard1.3\System.Globalization.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Globalization.Calendars">
+          <HintPath>..\..\packages\System.Globalization.Calendars\lib\net46\System.Globalization.Calendars.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Globalization.Calendars">
+          <HintPath>..\..\packages\System.Globalization.Calendars\ref\netstandard1.3\System.Globalization.Calendars.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Globalization.Extensions">
+          <HintPath>..\..\packages\System.Globalization.Extensions\ref\netstandard1.3\System.Globalization.Extensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.IO">
+          <HintPath>..\..\packages\System.IO\lib\net462\System.IO.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.IO">
+          <HintPath>..\..\packages\System.IO\ref\netstandard1.3\System.IO.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO">
+          <HintPath>..\..\packages\System.IO\ref\netstandard1.5\System.IO.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'MonoTouch'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <HintPath>..\..\packages\System.IO.Compression\lib\net46\System.IO.Compression.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <HintPath>..\..\packages\System.IO.Compression\ref\netstandard1.3\System.IO.Compression.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.iOS'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.Mac'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.tvOS'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.watchOS'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression.FileSystem">
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="System.IO.Compression.ZipFile">
+          <HintPath>..\..\packages\System.IO.Compression.ZipFile\lib\net46\System.IO.Compression.ZipFile.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression.ZipFile">
+          <HintPath>..\..\packages\System.IO.Compression.ZipFile\lib\netstandard1.3\System.IO.Compression.ZipFile.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression.ZipFile">
+          <HintPath>..\..\packages\System.IO.Compression.ZipFile\ref\netstandard1.3\System.IO.Compression.ZipFile.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.IO.FileSystem">
+          <HintPath>..\..\packages\System.IO.FileSystem\lib\net46\System.IO.FileSystem.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO.FileSystem">
+          <HintPath>..\..\packages\System.IO.FileSystem\ref\netstandard1.3\System.IO.FileSystem.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.IO.FileSystem.Primitives">
+          <HintPath>..\..\packages\System.IO.FileSystem.Primitives\lib\net46\System.IO.FileSystem.Primitives.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETCore' And $(TargetFrameworkVersion) == 'v5.0')">
+      <ItemGroup>
+        <Reference Include="System.IO.FileSystem.Primitives">
+          <HintPath>..\..\packages\System.IO.FileSystem.Primitives\lib\netstandard1.3\System.IO.FileSystem.Primitives.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO.FileSystem.Primitives">
+          <HintPath>..\..\packages\System.IO.FileSystem.Primitives\ref\netstandard1.3\System.IO.FileSystem.Primitives.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Linq">
+          <HintPath>..\..\packages\System.Linq\lib\net463\System.Linq.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5')">
+      <ItemGroup>
+        <Reference Include="System.Linq">
+          <HintPath>..\..\packages\System.Linq\ref\netstandard1.0\System.Linq.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq">
+          <HintPath>..\..\packages\System.Linq\lib\netstandard1.6\System.Linq.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq">
+          <HintPath>..\..\packages\System.Linq\ref\netstandard1.6\System.Linq.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Linq.Expressions">
+          <HintPath>..\..\packages\System.Linq.Expressions\lib\net463\System.Linq.Expressions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And $(TargetFrameworkVersion) == 'v1.5'">
+      <ItemGroup>
+        <Reference Include="System.Linq.Expressions">
+          <HintPath>..\..\packages\System.Linq.Expressions\ref\netstandard1.3\System.Linq.Expressions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq.Expressions">
+          <HintPath>..\..\packages\System.Linq.Expressions\lib\netstandard1.6\System.Linq.Expressions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq.Expressions">
+          <HintPath>..\..\packages\System.Linq.Expressions\ref\netstandard1.6\System.Linq.Expressions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq.Queryable">
+          <HintPath>..\..\packages\System.Linq.Queryable\ref\netstandard1.0\System.Linq.Queryable.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq.Queryable">
+          <HintPath>..\..\packages\System.Linq.Queryable\lib\netstandard1.3\System.Linq.Queryable.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.Mac'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'MonoTouch'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <HintPath>..\..\packages\System.Net.Http\lib\net46\System.Net.Http.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <HintPath>..\..\packages\System.Net.Http\ref\netstandard1.3\System.Net.Http.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.iOS'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.tvOS'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.watchOS'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.Primitives">
+          <HintPath>..\..\packages\System.Net.Primitives\ref\netstandard1.3\System.Net.Primitives.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.Requests">
+          <HintPath>..\..\packages\System.Net.Requests\ref\netstandard1.3\System.Net.Requests.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Net.Sockets">
+          <HintPath>..\..\packages\System.Net.Sockets\lib\net46\System.Net.Sockets.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.Sockets">
+          <HintPath>..\..\packages\System.Net.Sockets\ref\netstandard1.3\System.Net.Sockets.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.WebHeaderCollection">
+          <HintPath>..\..\packages\System.Net.WebHeaderCollection\lib\netstandard1.3\System.Net.WebHeaderCollection.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.WebHeaderCollection">
+          <HintPath>..\..\packages\System.Net.WebHeaderCollection\ref\netstandard1.3\System.Net.WebHeaderCollection.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.ObjectModel">
+          <HintPath>..\..\packages\System.ObjectModel\lib\netstandard1.3\System.ObjectModel.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.ObjectModel">
+          <HintPath>..\..\packages\System.ObjectModel\ref\netstandard1.3\System.ObjectModel.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Reflection">
+          <HintPath>..\..\packages\System.Reflection\lib\net462\System.Reflection.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.Reflection">
+          <HintPath>..\..\packages\System.Reflection\ref\netstandard1.3\System.Reflection.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection">
+          <HintPath>..\..\packages\System.Reflection\ref\netstandard1.5\System.Reflection.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit">
+          <HintPath>..\..\packages\System.Reflection.Emit\ref\netstandard1.1\System.Reflection.Emit.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit">
+          <HintPath>..\..\packages\System.Reflection.Emit\lib\netstandard1.3\System.Reflection.Emit.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit.ILGeneration">
+          <HintPath>..\..\packages\System.Reflection.Emit.ILGeneration\ref\netstandard1.0\System.Reflection.Emit.ILGeneration.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit.ILGeneration">
+          <HintPath>..\..\packages\System.Reflection.Emit.ILGeneration\lib\netstandard1.3\System.Reflection.Emit.ILGeneration.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit.Lightweight">
+          <HintPath>..\..\packages\System.Reflection.Emit.Lightweight\ref\netstandard1.0\System.Reflection.Emit.Lightweight.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit.Lightweight">
+          <HintPath>..\..\packages\System.Reflection.Emit.Lightweight\lib\netstandard1.3\System.Reflection.Emit.Lightweight.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Extensions">
+          <HintPath>..\..\packages\System.Reflection.Extensions\ref\netstandard1.0\System.Reflection.Extensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Primitives">
+          <HintPath>..\..\packages\System.Reflection.Primitives\ref\netstandard1.0\System.Reflection.Primitives.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Reflection.TypeExtensions">
+          <HintPath>..\..\packages\System.Reflection.TypeExtensions\lib\net462\System.Reflection.TypeExtensions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.TypeExtensions">
+          <HintPath>..\..\packages\System.Reflection.TypeExtensions\lib\netstandard1.5\System.Reflection.TypeExtensions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.TypeExtensions">
+          <HintPath>..\..\packages\System.Reflection.TypeExtensions\ref\netstandard1.5\System.Reflection.TypeExtensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Resources.ResourceManager">
+          <HintPath>..\..\packages\System.Resources.ResourceManager\ref\netstandard1.0\System.Resources.ResourceManager.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.ComponentModel.Composition">
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="System.Runtime">
+          <HintPath>..\..\packages\System.Runtime\lib\net462\System.Runtime.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.Runtime">
+          <HintPath>..\..\packages\System.Runtime\ref\netstandard1.3\System.Runtime.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime">
+          <HintPath>..\..\packages\System.Runtime\ref\netstandard1.5\System.Runtime.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Extensions">
+          <HintPath>..\..\packages\System.Runtime.Extensions\lib\net462\System.Runtime.Extensions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Extensions">
+          <HintPath>..\..\packages\System.Runtime.Extensions\ref\netstandard1.3\System.Runtime.Extensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Extensions">
+          <HintPath>..\..\packages\System.Runtime.Extensions\ref\netstandard1.5\System.Runtime.Extensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Handles">
+          <HintPath>..\..\packages\System.Runtime.Handles\ref\netstandard1.3\System.Runtime.Handles.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices">
+          <HintPath>..\..\packages\System.Runtime.InteropServices\lib\net463\System.Runtime.InteropServices.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices">
+          <HintPath>..\..\packages\System.Runtime.InteropServices\ref\netcoreapp1.1\System.Runtime.InteropServices.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices">
+          <HintPath>..\..\packages\System.Runtime.InteropServices\ref\netstandard1.3\System.Runtime.InteropServices.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And $(TargetFrameworkVersion) == 'v1.0') Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices">
+          <HintPath>..\..\packages\System.Runtime.InteropServices\ref\netstandard1.5\System.Runtime.InteropServices.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices.RuntimeInformation">
+          <HintPath>..\..\packages\System.Runtime.InteropServices.RuntimeInformation\lib\net45\System.Runtime.InteropServices.RuntimeInformation.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices.RuntimeInformation">
+          <HintPath>..\..\packages\System.Runtime.InteropServices.RuntimeInformation\lib\netstandard1.1\System.Runtime.InteropServices.RuntimeInformation.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices.RuntimeInformation">
+          <HintPath>..\..\packages\System.Runtime.InteropServices.RuntimeInformation\ref\netstandard1.1\System.Runtime.InteropServices.RuntimeInformation.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Numerics">
+          <HintPath>..\..\packages\System.Runtime.Numerics\ref\netstandard1.1\System.Runtime.Numerics.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Numerics">
+          <HintPath>..\..\packages\System.Runtime.Numerics\lib\netstandard1.3\System.Runtime.Numerics.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Algorithms">
+          <HintPath>..\..\packages\System.Security.Cryptography.Algorithms\lib\net463\System.Security.Cryptography.Algorithms.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And $(TargetFrameworkVersion) == 'v1.3'">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Algorithms">
+          <HintPath>..\..\packages\System.Security.Cryptography.Algorithms\ref\netstandard1.3\System.Security.Cryptography.Algorithms.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5')">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Algorithms">
+          <HintPath>..\..\packages\System.Security.Cryptography.Algorithms\ref\netstandard1.4\System.Security.Cryptography.Algorithms.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Algorithms">
+          <HintPath>..\..\packages\System.Security.Cryptography.Algorithms\ref\netstandard1.6\System.Security.Cryptography.Algorithms.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Cng">
+          <HintPath>..\..\packages\System.Security.Cryptography.Cng\ref\netstandard1.6\System.Security.Cryptography.Cng.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Csp">
+          <HintPath>..\..\packages\System.Security.Cryptography.Csp\ref\netstandard1.3\System.Security.Cryptography.Csp.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Encoding">
+          <HintPath>..\..\packages\System.Security.Cryptography.Encoding\lib\net46\System.Security.Cryptography.Encoding.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Encoding">
+          <HintPath>..\..\packages\System.Security.Cryptography.Encoding\ref\netstandard1.3\System.Security.Cryptography.Encoding.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.OpenSsl">
+          <HintPath>..\..\packages\System.Security.Cryptography.OpenSsl\lib\netstandard1.6\System.Security.Cryptography.OpenSsl.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.OpenSsl">
+          <HintPath>..\..\packages\System.Security.Cryptography.OpenSsl\ref\netstandard1.6\System.Security.Cryptography.OpenSsl.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Primitives">
+          <HintPath>..\..\packages\System.Security.Cryptography.Primitives\lib\net46\System.Security.Cryptography.Primitives.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETCore' And $(TargetFrameworkVersion) == 'v5.0')">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Primitives">
+          <HintPath>..\..\packages\System.Security.Cryptography.Primitives\lib\netstandard1.3\System.Security.Cryptography.Primitives.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Primitives">
+          <HintPath>..\..\packages\System.Security.Cryptography.Primitives\ref\netstandard1.3\System.Security.Cryptography.Primitives.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.X509Certificates">
+          <HintPath>..\..\packages\System.Security.Cryptography.X509Certificates\lib\net461\System.Security.Cryptography.X509Certificates.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.X509Certificates">
+          <HintPath>..\..\packages\System.Security.Cryptography.X509Certificates\ref\netstandard1.4\System.Security.Cryptography.X509Certificates.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Text.Encoding">
+          <HintPath>..\..\packages\System.Text.Encoding\ref\netstandard1.3\System.Text.Encoding.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Text.Encoding.Extensions">
+          <HintPath>..\..\packages\System.Text.Encoding.Extensions\ref\netstandard1.3\System.Text.Encoding.Extensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Text.RegularExpressions">
+          <HintPath>..\..\packages\System.Text.RegularExpressions\lib\net463\System.Text.RegularExpressions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')">
+      <ItemGroup>
+        <Reference Include="System.Text.RegularExpressions">
+          <HintPath>..\..\packages\System.Text.RegularExpressions\ref\netcoreapp1.1\System.Text.RegularExpressions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Text.RegularExpressions">
+          <HintPath>..\..\packages\System.Text.RegularExpressions\lib\netstandard1.6\System.Text.RegularExpressions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And $(TargetFrameworkVersion) == 'v1.0') Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Text.RegularExpressions">
+          <HintPath>..\..\packages\System.Text.RegularExpressions\ref\netstandard1.6\System.Text.RegularExpressions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading">
+          <HintPath>..\..\packages\System.Threading\lib\netstandard1.3\System.Threading.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading">
+          <HintPath>..\..\packages\System.Threading\ref\netstandard1.3\System.Threading.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Tasks">
+          <HintPath>..\..\packages\System.Threading.Tasks\ref\netstandard1.3\System.Threading.Tasks.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Tasks.Extensions">
+          <HintPath>..\..\packages\System.Threading.Tasks.Extensions\lib\netstandard1.0\System.Threading.Tasks.Extensions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Tasks.Parallel">
+          <HintPath>..\..\packages\System.Threading.Tasks.Parallel\ref\netstandard1.1\System.Threading.Tasks.Parallel.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Tasks.Parallel">
+          <HintPath>..\..\packages\System.Threading.Tasks.Parallel\lib\netstandard1.3\System.Threading.Tasks.Parallel.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Threading.Thread">
+          <HintPath>..\..\packages\System.Threading.Thread\lib\net46\System.Threading.Thread.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Thread">
+          <HintPath>..\..\packages\System.Threading.Thread\lib\netstandard1.3\System.Threading.Thread.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Thread">
+          <HintPath>..\..\packages\System.Threading.Thread\ref\netstandard1.3\System.Threading.Thread.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Threading.ThreadPool">
+          <HintPath>..\..\packages\System.Threading.ThreadPool\lib\net46\System.Threading.ThreadPool.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.ThreadPool">
+          <HintPath>..\..\packages\System.Threading.ThreadPool\lib\netstandard1.3\System.Threading.ThreadPool.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.ThreadPool">
+          <HintPath>..\..\packages\System.Threading.ThreadPool\ref\netstandard1.3\System.Threading.ThreadPool.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Timer">
+          <HintPath>..\..\packages\System.Threading.Timer\ref\netstandard1.2\System.Threading.Timer.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Xml">
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="System.Xml.ReaderWriter">
+          <HintPath>..\..\packages\System.Xml.ReaderWriter\lib\net46\System.Xml.ReaderWriter.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Xml.ReaderWriter">
+          <HintPath>..\..\packages\System.Xml.ReaderWriter\lib\netstandard1.3\System.Xml.ReaderWriter.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Xml.ReaderWriter">
+          <HintPath>..\..\packages\System.Xml.ReaderWriter\ref\netstandard1.3\System.Xml.ReaderWriter.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Xml.Linq">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Xml.XDocument">
+          <HintPath>..\..\packages\System.Xml.XDocument\lib\netstandard1.3\System.Xml.XDocument.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Xml.XDocument">
+          <HintPath>..\..\packages\System.Xml.XDocument\ref\netstandard1.3\System.Xml.XDocument.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="xunit.abstractions">
+          <HintPath>..\..\packages\xunit.abstractions\lib\net35\xunit.abstractions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="xunit.assert">
+          <HintPath>..\..\packages\xunit.assert\lib\netstandard1.1\xunit.assert.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="xunit.core">
+          <HintPath>..\..\packages\xunit.extensibility.core\lib\netstandard1.1\xunit.core.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="xunit.execution.desktop">
+          <HintPath>..\..\packages\xunit.extensibility.execution\lib\net452\xunit.execution.desktop.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+</Project>
\ No newline at end of file
diff --git a/tests/OpenTK.Tests.Generators/paket.references b/tests/OpenTK.Tests.Generators/paket.references
new file mode 100644
index 00000000..9571a663
--- /dev/null
+++ b/tests/OpenTK.Tests.Generators/paket.references
@@ -0,0 +1,2 @@
+xunit
+FsCheck.XUnit
\ No newline at end of file
diff --git a/tests/OpenTK.Tests.Math/BezierCurveTests.cs b/tests/OpenTK.Tests.Math/BezierCurveTests.cs
index 91c7acf3..0ac50544 100644
--- a/tests/OpenTK.Tests.Math/BezierCurveTests.cs
+++ b/tests/OpenTK.Tests.Math/BezierCurveTests.cs
@@ -1,16 +1,38 @@
-using Xunit;
+using FsCheck.Xunit;
+using OpenTK.Tests.Generators;
+using Xunit;
+using Assert = Xunit.Assert;
 
-namespace OpenTK.Tests.Unit
+namespace OpenTK.Tests.Math
 {
     public class BezierCurveTests
     {
-        [Fact]
-        public void StraightLine()
+        [Properties(Arbitrary = new[] { typeof(OpenTKGen) })]
+        public class Constructor
         {
-            var curve = new BezierCurve(Vector2.Zero, Vector2.One);
-            Assert.Equal(Vector2.Zero, curve.CalculatePoint(0.0f));
-            Assert.Equal(Vector2.One, curve.CalculatePoint(1.0f));
-            Assert.Equal(new Vector2(0.5f, 0.5f), curve.CalculatePoint(0.5f));
+            [Property]
+            public void AcceptingVector2EnumerableCreatesCurveContainingThePointsInTheEnumerable
+                (Vector2 a, Vector2 b, Vector2 c, Vector2 d)
+            {
+                var expected = new[] { a, b, c, d };
+
+                var curve = new BezierCurve(expected);
+
+                var actual = curve.Points;
+                Assert.Equal(expected, actual);
+            }
+        }
+
+        public class CalculatePoint
+        {
+            [Fact]
+            public void StraightLine()
+            {
+                var curve = new BezierCurve(Vector2.Zero, Vector2.One);
+                Assert.Equal(Vector2.Zero, curve.CalculatePoint(0.0f));
+                Assert.Equal(Vector2.One, curve.CalculatePoint(1.0f));
+                Assert.Equal(new Vector2(0.5f, 0.5f), curve.CalculatePoint(0.5f));
+            }
         }
     }
 }
diff --git a/tests/OpenTK.Tests.Math/OpenTK.Tests.Math.csproj b/tests/OpenTK.Tests.Math/OpenTK.Tests.Math.csproj
index 71cd5cd6..217a4ecb 100644
--- a/tests/OpenTK.Tests.Math/OpenTK.Tests.Math.csproj
+++ b/tests/OpenTK.Tests.Math/OpenTK.Tests.Math.csproj
@@ -22,7 +22,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <DocumentationFile>bin\Debug\OpenTK.Tests.Math.XML</DocumentationFile>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -32,9 +31,12 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
-    <DocumentationFile>bin\Release\OpenTK.Tests.Math.XML</DocumentationFile>
   </PropertyGroup>
   <ItemGroup>
+    <ProjectReference Include="..\OpenTK.Tests.Generators\OpenTK.Tests.Generators.fsproj">
+      <Project>{2b11aaeb-d8ac-4356-938f-532d720e0c30}</Project>
+      <Name>OpenTK.Tests.Generators</Name>
+    </ProjectReference>
     <Reference Include="mscorlib" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -67,6 +69,1429 @@
   </Target>
   -->
   <Import Project="..\..\.paket\paket.targets" />
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="FsCheck">
+          <HintPath>..\..\packages\FsCheck\lib\net452\FsCheck.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == 'MonoTouch') Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == 'Xamarin.iOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.Mac') Or ($(TargetFrameworkIdentifier) == 'Xamarin.tvOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.watchOS')">
+      <ItemGroup>
+        <Reference Include="FsCheck">
+          <HintPath>..\..\packages\FsCheck\lib\netstandard1.6\FsCheck.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCore') Or ($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v2.2' Or $(TargetFrameworkVersion) == 'v2.3' Or $(TargetFrameworkVersion) == 'v4.0.3' Or $(TargetFrameworkVersion) == 'v4.1' Or $(TargetFrameworkVersion) == 'v4.2' Or $(TargetFrameworkVersion) == 'v4.3' Or $(TargetFrameworkVersion) == 'v4.4' Or $(TargetFrameworkVersion) == 'v5.0' Or $(TargetFrameworkVersion) == 'v5.1' Or $(TargetFrameworkVersion) == 'v6.0')) Or ($(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5' Or $(TargetFrameworkVersion) == 'v4.5.1')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v1.2' Or $(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5')) Or ($(TargetFrameworkProfile) == 'Profile7') Or ($(TargetFrameworkProfile) == 'Profile44')">
+      <ItemGroup>
+        <Reference Include="FsCheck">
+          <HintPath>..\..\packages\FsCheck\lib\portable-net45+netcore45\FsCheck.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETStandard' And $(TargetFrameworkVersion) == 'v1.0') Or ($(TargetFrameworkProfile) == 'Profile78') Or ($(TargetFrameworkProfile) == 'Profile49') Or ($(TargetFrameworkProfile) == 'Profile31') Or ($(TargetFrameworkIdentifier) == 'WindowsPhone' And ($(TargetFrameworkVersion) == 'v8.0' Or $(TargetFrameworkVersion) == 'v8.1'))">
+      <ItemGroup>
+        <Reference Include="FsCheck">
+          <HintPath>..\..\packages\FsCheck\lib\portable-net45+netcore45+wp8\FsCheck.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'WindowsPhoneApp') Or ($(TargetFrameworkProfile) == 'Profile259') Or ($(TargetFrameworkProfile) == 'Profile111') Or ($(TargetFrameworkProfile) == 'Profile151') Or ($(TargetFrameworkProfile) == 'Profile157') Or ($(TargetFrameworkProfile) == 'Profile32') Or ($(TargetFrameworkProfile) == 'Profile84') Or ($(TargetFrameworkIdentifier) == '.NETCore' And $(TargetFrameworkVersion) == 'v5.0')">
+      <ItemGroup>
+        <Reference Include="FsCheck">
+          <HintPath>..\..\packages\FsCheck\lib\portable-net45+netcore45+wpa81+wp8\FsCheck.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="FsCheck.Xunit">
+          <HintPath>..\..\packages\FsCheck.Xunit\lib\net452\FsCheck.Xunit.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == 'MonoTouch') Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == 'Xamarin.iOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.Mac') Or ($(TargetFrameworkIdentifier) == 'Xamarin.tvOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.watchOS')">
+      <ItemGroup>
+        <Reference Include="FsCheck.Xunit">
+          <HintPath>..\..\packages\FsCheck.Xunit\lib\netstandard1.6\FsCheck.Xunit.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5' Or $(TargetFrameworkVersion) == 'v4.5.1' Or $(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="FSharp.Core">
+          <HintPath>..\..\packages\FSharp.Core\lib\net45\FSharp.Core.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == 'MonoTouch') Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == 'Xamarin.iOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.Mac') Or ($(TargetFrameworkIdentifier) == 'Xamarin.tvOS') Or ($(TargetFrameworkIdentifier) == 'Xamarin.watchOS')">
+      <ItemGroup>
+        <Reference Include="FSharp.Core">
+          <HintPath>..\..\packages\FSharp.Core\lib\netstandard1.6\FSharp.Core.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="Microsoft.Win32.Primitives">
+          <HintPath>..\..\packages\Microsoft.Win32.Primitives\lib\net46\Microsoft.Win32.Primitives.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="Microsoft.Win32.Primitives">
+          <HintPath>..\..\packages\Microsoft.Win32.Primitives\ref\netstandard1.3\Microsoft.Win32.Primitives.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.AppContext">
+          <HintPath>..\..\packages\System.AppContext\lib\net463\System.AppContext.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.AppContext">
+          <HintPath>..\..\packages\System.AppContext\lib\netstandard1.6\System.AppContext.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.AppContext">
+          <HintPath>..\..\packages\System.AppContext\ref\netstandard1.6\System.AppContext.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Buffers">
+          <HintPath>..\..\packages\System.Buffers\lib\netstandard1.1\System.Buffers.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Collections">
+          <HintPath>..\..\packages\System.Collections\ref\netstandard1.3\System.Collections.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Collections.Concurrent">
+          <HintPath>..\..\packages\System.Collections.Concurrent\lib\netstandard1.3\System.Collections.Concurrent.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Collections.Concurrent">
+          <HintPath>..\..\packages\System.Collections.Concurrent\ref\netstandard1.3\System.Collections.Concurrent.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Console">
+          <HintPath>..\..\packages\System.Console\lib\net46\System.Console.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Console">
+          <HintPath>..\..\packages\System.Console\ref\netstandard1.3\System.Console.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.Debug">
+          <HintPath>..\..\packages\System.Diagnostics.Debug\ref\netstandard1.3\System.Diagnostics.Debug.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.DiagnosticSource">
+          <HintPath>..\..\packages\System.Diagnostics.DiagnosticSource\lib\netstandard1.3\System.Diagnostics.DiagnosticSource.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.Tools">
+          <HintPath>..\..\packages\System.Diagnostics.Tools\ref\netstandard1.0\System.Diagnostics.Tools.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.Tracing">
+          <HintPath>..\..\packages\System.Diagnostics.Tracing\lib\net462\System.Diagnostics.Tracing.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.Tracing">
+          <HintPath>..\..\packages\System.Diagnostics.Tracing\ref\netstandard1.3\System.Diagnostics.Tracing.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Diagnostics.Tracing">
+          <HintPath>..\..\packages\System.Diagnostics.Tracing\ref\netstandard1.5\System.Diagnostics.Tracing.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Globalization">
+          <HintPath>..\..\packages\System.Globalization\ref\netstandard1.3\System.Globalization.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Globalization.Calendars">
+          <HintPath>..\..\packages\System.Globalization.Calendars\lib\net46\System.Globalization.Calendars.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Globalization.Calendars">
+          <HintPath>..\..\packages\System.Globalization.Calendars\ref\netstandard1.3\System.Globalization.Calendars.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Globalization.Extensions">
+          <HintPath>..\..\packages\System.Globalization.Extensions\ref\netstandard1.3\System.Globalization.Extensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.IO">
+          <HintPath>..\..\packages\System.IO\lib\net462\System.IO.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.IO">
+          <HintPath>..\..\packages\System.IO\ref\netstandard1.3\System.IO.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO">
+          <HintPath>..\..\packages\System.IO\ref\netstandard1.5\System.IO.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'MonoTouch'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <HintPath>..\..\packages\System.IO.Compression\lib\net46\System.IO.Compression.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <HintPath>..\..\packages\System.IO.Compression\ref\netstandard1.3\System.IO.Compression.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.iOS'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.Mac'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.tvOS'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.watchOS'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression.FileSystem">
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="System.IO.Compression.ZipFile">
+          <HintPath>..\..\packages\System.IO.Compression.ZipFile\lib\net46\System.IO.Compression.ZipFile.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression.ZipFile">
+          <HintPath>..\..\packages\System.IO.Compression.ZipFile\lib\netstandard1.3\System.IO.Compression.ZipFile.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO.Compression.ZipFile">
+          <HintPath>..\..\packages\System.IO.Compression.ZipFile\ref\netstandard1.3\System.IO.Compression.ZipFile.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.IO.FileSystem">
+          <HintPath>..\..\packages\System.IO.FileSystem\lib\net46\System.IO.FileSystem.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO.FileSystem">
+          <HintPath>..\..\packages\System.IO.FileSystem\ref\netstandard1.3\System.IO.FileSystem.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.IO.FileSystem.Primitives">
+          <HintPath>..\..\packages\System.IO.FileSystem.Primitives\lib\net46\System.IO.FileSystem.Primitives.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETCore' And $(TargetFrameworkVersion) == 'v5.0')">
+      <ItemGroup>
+        <Reference Include="System.IO.FileSystem.Primitives">
+          <HintPath>..\..\packages\System.IO.FileSystem.Primitives\lib\netstandard1.3\System.IO.FileSystem.Primitives.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.IO.FileSystem.Primitives">
+          <HintPath>..\..\packages\System.IO.FileSystem.Primitives\ref\netstandard1.3\System.IO.FileSystem.Primitives.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Linq">
+          <HintPath>..\..\packages\System.Linq\lib\net463\System.Linq.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5')">
+      <ItemGroup>
+        <Reference Include="System.Linq">
+          <HintPath>..\..\packages\System.Linq\ref\netstandard1.0\System.Linq.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq">
+          <HintPath>..\..\packages\System.Linq\lib\netstandard1.6\System.Linq.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq">
+          <HintPath>..\..\packages\System.Linq\ref\netstandard1.6\System.Linq.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Linq.Expressions">
+          <HintPath>..\..\packages\System.Linq.Expressions\lib\net463\System.Linq.Expressions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And $(TargetFrameworkVersion) == 'v1.5'">
+      <ItemGroup>
+        <Reference Include="System.Linq.Expressions">
+          <HintPath>..\..\packages\System.Linq.Expressions\ref\netstandard1.3\System.Linq.Expressions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq.Expressions">
+          <HintPath>..\..\packages\System.Linq.Expressions\lib\netstandard1.6\System.Linq.Expressions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq.Expressions">
+          <HintPath>..\..\packages\System.Linq.Expressions\ref\netstandard1.6\System.Linq.Expressions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq.Queryable">
+          <HintPath>..\..\packages\System.Linq.Queryable\ref\netstandard1.0\System.Linq.Queryable.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Linq.Queryable">
+          <HintPath>..\..\packages\System.Linq.Queryable\lib\netstandard1.3\System.Linq.Queryable.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.Mac'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'MonoTouch'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <HintPath>..\..\packages\System.Net.Http\lib\net46\System.Net.Http.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <HintPath>..\..\packages\System.Net.Http\ref\netstandard1.3\System.Net.Http.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.iOS'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.tvOS'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.watchOS'">
+      <ItemGroup>
+        <Reference Include="System.Net.Http">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.Primitives">
+          <HintPath>..\..\packages\System.Net.Primitives\ref\netstandard1.3\System.Net.Primitives.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.Requests">
+          <HintPath>..\..\packages\System.Net.Requests\ref\netstandard1.3\System.Net.Requests.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Net.Sockets">
+          <HintPath>..\..\packages\System.Net.Sockets\lib\net46\System.Net.Sockets.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.Sockets">
+          <HintPath>..\..\packages\System.Net.Sockets\ref\netstandard1.3\System.Net.Sockets.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.WebHeaderCollection">
+          <HintPath>..\..\packages\System.Net.WebHeaderCollection\lib\netstandard1.3\System.Net.WebHeaderCollection.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Net.WebHeaderCollection">
+          <HintPath>..\..\packages\System.Net.WebHeaderCollection\ref\netstandard1.3\System.Net.WebHeaderCollection.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.ObjectModel">
+          <HintPath>..\..\packages\System.ObjectModel\lib\netstandard1.3\System.ObjectModel.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.ObjectModel">
+          <HintPath>..\..\packages\System.ObjectModel\ref\netstandard1.3\System.ObjectModel.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Reflection">
+          <HintPath>..\..\packages\System.Reflection\lib\net462\System.Reflection.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.Reflection">
+          <HintPath>..\..\packages\System.Reflection\ref\netstandard1.3\System.Reflection.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection">
+          <HintPath>..\..\packages\System.Reflection\ref\netstandard1.5\System.Reflection.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit">
+          <HintPath>..\..\packages\System.Reflection.Emit\ref\netstandard1.1\System.Reflection.Emit.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit">
+          <HintPath>..\..\packages\System.Reflection.Emit\lib\netstandard1.3\System.Reflection.Emit.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit.ILGeneration">
+          <HintPath>..\..\packages\System.Reflection.Emit.ILGeneration\ref\netstandard1.0\System.Reflection.Emit.ILGeneration.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit.ILGeneration">
+          <HintPath>..\..\packages\System.Reflection.Emit.ILGeneration\lib\netstandard1.3\System.Reflection.Emit.ILGeneration.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit.Lightweight">
+          <HintPath>..\..\packages\System.Reflection.Emit.Lightweight\ref\netstandard1.0\System.Reflection.Emit.Lightweight.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Emit.Lightweight">
+          <HintPath>..\..\packages\System.Reflection.Emit.Lightweight\lib\netstandard1.3\System.Reflection.Emit.Lightweight.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Extensions">
+          <HintPath>..\..\packages\System.Reflection.Extensions\ref\netstandard1.0\System.Reflection.Extensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.Primitives">
+          <HintPath>..\..\packages\System.Reflection.Primitives\ref\netstandard1.0\System.Reflection.Primitives.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Reflection.TypeExtensions">
+          <HintPath>..\..\packages\System.Reflection.TypeExtensions\lib\net462\System.Reflection.TypeExtensions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.TypeExtensions">
+          <HintPath>..\..\packages\System.Reflection.TypeExtensions\lib\netstandard1.5\System.Reflection.TypeExtensions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Reflection.TypeExtensions">
+          <HintPath>..\..\packages\System.Reflection.TypeExtensions\ref\netstandard1.5\System.Reflection.TypeExtensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Resources.ResourceManager">
+          <HintPath>..\..\packages\System.Resources.ResourceManager\ref\netstandard1.0\System.Resources.ResourceManager.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.ComponentModel.Composition">
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="System.Runtime">
+          <HintPath>..\..\packages\System.Runtime\lib\net462\System.Runtime.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.Runtime">
+          <HintPath>..\..\packages\System.Runtime\ref\netstandard1.3\System.Runtime.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime">
+          <HintPath>..\..\packages\System.Runtime\ref\netstandard1.5\System.Runtime.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Extensions">
+          <HintPath>..\..\packages\System.Runtime.Extensions\lib\net462\System.Runtime.Extensions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Extensions">
+          <HintPath>..\..\packages\System.Runtime.Extensions\ref\netstandard1.3\System.Runtime.Extensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Extensions">
+          <HintPath>..\..\packages\System.Runtime.Extensions\ref\netstandard1.5\System.Runtime.Extensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Handles">
+          <HintPath>..\..\packages\System.Runtime.Handles\ref\netstandard1.3\System.Runtime.Handles.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices">
+          <HintPath>..\..\packages\System.Runtime.InteropServices\lib\net463\System.Runtime.InteropServices.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices">
+          <HintPath>..\..\packages\System.Runtime.InteropServices\ref\netcoreapp1.1\System.Runtime.InteropServices.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4')">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices">
+          <HintPath>..\..\packages\System.Runtime.InteropServices\ref\netstandard1.3\System.Runtime.InteropServices.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And $(TargetFrameworkVersion) == 'v1.0') Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices">
+          <HintPath>..\..\packages\System.Runtime.InteropServices\ref\netstandard1.5\System.Runtime.InteropServices.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices.RuntimeInformation">
+          <HintPath>..\..\packages\System.Runtime.InteropServices.RuntimeInformation\lib\net45\System.Runtime.InteropServices.RuntimeInformation.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices.RuntimeInformation">
+          <HintPath>..\..\packages\System.Runtime.InteropServices.RuntimeInformation\lib\netstandard1.1\System.Runtime.InteropServices.RuntimeInformation.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.InteropServices.RuntimeInformation">
+          <HintPath>..\..\packages\System.Runtime.InteropServices.RuntimeInformation\ref\netstandard1.1\System.Runtime.InteropServices.RuntimeInformation.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Numerics">
+          <HintPath>..\..\packages\System.Runtime.Numerics\ref\netstandard1.1\System.Runtime.Numerics.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Runtime.Numerics">
+          <HintPath>..\..\packages\System.Runtime.Numerics\lib\netstandard1.3\System.Runtime.Numerics.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Algorithms">
+          <HintPath>..\..\packages\System.Security.Cryptography.Algorithms\lib\net463\System.Security.Cryptography.Algorithms.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And $(TargetFrameworkVersion) == 'v1.3'">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Algorithms">
+          <HintPath>..\..\packages\System.Security.Cryptography.Algorithms\ref\netstandard1.3\System.Security.Cryptography.Algorithms.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5')">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Algorithms">
+          <HintPath>..\..\packages\System.Security.Cryptography.Algorithms\ref\netstandard1.4\System.Security.Cryptography.Algorithms.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Algorithms">
+          <HintPath>..\..\packages\System.Security.Cryptography.Algorithms\ref\netstandard1.6\System.Security.Cryptography.Algorithms.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Cng">
+          <HintPath>..\..\packages\System.Security.Cryptography.Cng\ref\netstandard1.6\System.Security.Cryptography.Cng.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Csp">
+          <HintPath>..\..\packages\System.Security.Cryptography.Csp\ref\netstandard1.3\System.Security.Cryptography.Csp.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Encoding">
+          <HintPath>..\..\packages\System.Security.Cryptography.Encoding\lib\net46\System.Security.Cryptography.Encoding.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Encoding">
+          <HintPath>..\..\packages\System.Security.Cryptography.Encoding\ref\netstandard1.3\System.Security.Cryptography.Encoding.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.OpenSsl">
+          <HintPath>..\..\packages\System.Security.Cryptography.OpenSsl\lib\netstandard1.6\System.Security.Cryptography.OpenSsl.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.OpenSsl">
+          <HintPath>..\..\packages\System.Security.Cryptography.OpenSsl\ref\netstandard1.6\System.Security.Cryptography.OpenSsl.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Primitives">
+          <HintPath>..\..\packages\System.Security.Cryptography.Primitives\lib\net46\System.Security.Cryptography.Primitives.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETCore' And $(TargetFrameworkVersion) == 'v5.0')">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Primitives">
+          <HintPath>..\..\packages\System.Security.Cryptography.Primitives\lib\netstandard1.3\System.Security.Cryptography.Primitives.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.Primitives">
+          <HintPath>..\..\packages\System.Security.Cryptography.Primitives\ref\netstandard1.3\System.Security.Cryptography.Primitives.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.X509Certificates">
+          <HintPath>..\..\packages\System.Security.Cryptography.X509Certificates\lib\net461\System.Security.Cryptography.X509Certificates.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Security.Cryptography.X509Certificates">
+          <HintPath>..\..\packages\System.Security.Cryptography.X509Certificates\ref\netstandard1.4\System.Security.Cryptography.X509Certificates.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Text.Encoding">
+          <HintPath>..\..\packages\System.Text.Encoding\ref\netstandard1.3\System.Text.Encoding.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Text.Encoding.Extensions">
+          <HintPath>..\..\packages\System.Text.Encoding.Extensions\ref\netstandard1.3\System.Text.Encoding.Extensions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Text.RegularExpressions">
+          <HintPath>..\..\packages\System.Text.RegularExpressions\lib\net463\System.Text.RegularExpressions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')">
+      <ItemGroup>
+        <Reference Include="System.Text.RegularExpressions">
+          <HintPath>..\..\packages\System.Text.RegularExpressions\ref\netcoreapp1.1\System.Text.RegularExpressions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Text.RegularExpressions">
+          <HintPath>..\..\packages\System.Text.RegularExpressions\lib\netstandard1.6\System.Text.RegularExpressions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And $(TargetFrameworkVersion) == 'v1.0') Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Text.RegularExpressions">
+          <HintPath>..\..\packages\System.Text.RegularExpressions\ref\netstandard1.6\System.Text.RegularExpressions.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading">
+          <HintPath>..\..\packages\System.Threading\lib\netstandard1.3\System.Threading.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading">
+          <HintPath>..\..\packages\System.Threading\ref\netstandard1.3\System.Threading.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.3' Or $(TargetFrameworkVersion) == 'v1.4' Or $(TargetFrameworkVersion) == 'v1.5' Or $(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Tasks">
+          <HintPath>..\..\packages\System.Threading.Tasks\ref\netstandard1.3\System.Threading.Tasks.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Tasks.Extensions">
+          <HintPath>..\..\packages\System.Threading.Tasks.Extensions\lib\netstandard1.0\System.Threading.Tasks.Extensions.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Tasks.Parallel">
+          <HintPath>..\..\packages\System.Threading.Tasks.Parallel\ref\netstandard1.1\System.Threading.Tasks.Parallel.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Tasks.Parallel">
+          <HintPath>..\..\packages\System.Threading.Tasks.Parallel\lib\netstandard1.3\System.Threading.Tasks.Parallel.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Threading.Thread">
+          <HintPath>..\..\packages\System.Threading.Thread\lib\net46\System.Threading.Thread.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Thread">
+          <HintPath>..\..\packages\System.Threading.Thread\lib\netstandard1.3\System.Threading.Thread.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Thread">
+          <HintPath>..\..\packages\System.Threading.Thread\ref\netstandard1.3\System.Threading.Thread.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Threading.ThreadPool">
+          <HintPath>..\..\packages\System.Threading.ThreadPool\lib\net46\System.Threading.ThreadPool.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.ThreadPool">
+          <HintPath>..\..\packages\System.Threading.ThreadPool\lib\netstandard1.3\System.Threading.ThreadPool.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.ThreadPool">
+          <HintPath>..\..\packages\System.Threading.ThreadPool\ref\netstandard1.3\System.Threading.ThreadPool.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Threading.Timer">
+          <HintPath>..\..\packages\System.Threading.Timer\ref\netstandard1.2\System.Threading.Timer.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Xml">
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="System.Xml.ReaderWriter">
+          <HintPath>..\..\packages\System.Xml.ReaderWriter\lib\net46\System.Xml.ReaderWriter.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Xml.ReaderWriter">
+          <HintPath>..\..\packages\System.Xml.ReaderWriter\lib\netstandard1.3\System.Xml.ReaderWriter.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Xml.ReaderWriter">
+          <HintPath>..\..\packages\System.Xml.ReaderWriter\ref\netstandard1.3\System.Xml.ReaderWriter.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.7.1'">
+      <ItemGroup>
+        <Reference Include="System.Xml.Linq">
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == 'MonoAndroid' And ($(TargetFrameworkVersion) == 'v7.0' Or $(TargetFrameworkVersion) == 'v7.1' Or $(TargetFrameworkVersion) == 'v8.0')) Or ($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Xml.XDocument">
+          <HintPath>..\..\packages\System.Xml.XDocument\lib\netstandard1.3\System.Xml.XDocument.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="($(TargetFrameworkIdentifier) == '.NETCoreApp' And ($(TargetFrameworkVersion) == 'v1.0' Or $(TargetFrameworkVersion) == 'v1.1' Or $(TargetFrameworkVersion) == 'v2.0')) Or ($(TargetFrameworkIdentifier) == '.NETStandard' And ($(TargetFrameworkVersion) == 'v1.6' Or $(TargetFrameworkVersion) == 'v2.0'))">
+      <ItemGroup>
+        <Reference Include="System.Xml.XDocument">
+          <HintPath>..\..\packages\System.Xml.XDocument\ref\netstandard1.3\System.Xml.XDocument.dll</HintPath>
+          <Private>False</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
   <Choose>
     <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3' Or $(TargetFrameworkVersion) == 'v4.7' Or $(TargetFrameworkVersion) == 'v4.7.1')">
       <ItemGroup>
diff --git a/tests/OpenTK.Tests.Math/paket.references b/tests/OpenTK.Tests.Math/paket.references
index c012702b..14f626bc 100644
--- a/tests/OpenTK.Tests.Math/paket.references
+++ b/tests/OpenTK.Tests.Math/paket.references
@@ -3,4 +3,5 @@ xunit.assert
 xunit
 xunit.abstractions
 xunit.extensibility.core
-xunit.extensibility.execution
\ No newline at end of file
+xunit.extensibility.execution
+FsCheck.XUnit
\ No newline at end of file
diff --git a/tests/OpenTK.Tests/MathHelperTests.fs b/tests/OpenTK.Tests/MathHelperTests.fs
index 76b96e15..9e5da55f 100644
--- a/tests/OpenTK.Tests/MathHelperTests.fs
+++ b/tests/OpenTK.Tests/MathHelperTests.fs
@@ -5,6 +5,7 @@ open FsCheck
 open FsCheck.Xunit
 open System
 open OpenTK
+open OpenTK.Tests.Generators
 
 module MathHelper =
     [<Properties(Arbitrary = [| typeof<OpenTKGen> |])>]
diff --git a/tests/OpenTK.Tests/Matrix4Tests.fs b/tests/OpenTK.Tests/Matrix4Tests.fs
index e4ca3f5d..b01bff15 100644
--- a/tests/OpenTK.Tests/Matrix4Tests.fs
+++ b/tests/OpenTK.Tests/Matrix4Tests.fs
@@ -5,6 +5,7 @@ open FsCheck
 open FsCheck.Xunit
 open System
 open OpenTK
+open OpenTK.Tests.Generators
 
 module Matrix4 =
     [<Properties(Arbitrary = [| typeof<OpenTKGen> |])>]
diff --git a/tests/OpenTK.Tests/OpenTK.Tests.fsproj b/tests/OpenTK.Tests/OpenTK.Tests.fsproj
index 8146a720..3de0524c 100644
--- a/tests/OpenTK.Tests/OpenTK.Tests.fsproj
+++ b/tests/OpenTK.Tests/OpenTK.Tests.fsproj
@@ -62,8 +62,6 @@
   -->
   <ItemGroup>
     <Compile Include="AssemblyInfo.fs" />
-    <Compile Include="Assertions.fs" />
-    <Compile Include="Generators.fs" />
     <Compile Include="MathHelperTests.fs" />
     <Compile Include="Matrix4Tests.fs" />
     <Compile Include="Vector2Tests.fs" />
@@ -74,6 +72,10 @@
     <None Include="paket.references" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\OpenTK.Tests.Generators\OpenTK.Tests.Generators.fsproj">
+      <Project>{2b11aaeb-d8ac-4356-938f-532d720e0c30}</Project>
+      <Name>OpenTK.Tests.Generators</Name>
+    </ProjectReference>
     <Reference Include="mscorlib" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
diff --git a/tests/OpenTK.Tests/Vector2Tests.fs b/tests/OpenTK.Tests/Vector2Tests.fs
index 6e352259..a231ee0a 100644
--- a/tests/OpenTK.Tests/Vector2Tests.fs
+++ b/tests/OpenTK.Tests/Vector2Tests.fs
@@ -6,6 +6,7 @@ open FsCheck.Xunit
 open System
 open System.Runtime.InteropServices
 open OpenTK
+open OpenTK.Tests.Generators
 
 module Vector2 =
     [<Properties(Arbitrary = [| typeof<OpenTKGen> |])>]
diff --git a/tests/OpenTK.Tests/Vector3Tests.fs b/tests/OpenTK.Tests/Vector3Tests.fs
index 18cb89a9..ea25e332 100644
--- a/tests/OpenTK.Tests/Vector3Tests.fs
+++ b/tests/OpenTK.Tests/Vector3Tests.fs
@@ -6,6 +6,7 @@ open FsCheck.Xunit
 open System
 open System.Runtime.InteropServices
 open OpenTK
+open OpenTK.Tests.Generators
 
 module Vector3 =
     [<Properties(Arbitrary = [| typeof<OpenTKGen> |])>]
diff --git a/tests/OpenTK.Tests/Vector4Tests.fs b/tests/OpenTK.Tests/Vector4Tests.fs
index a7fce208..785397a6 100644
--- a/tests/OpenTK.Tests/Vector4Tests.fs
+++ b/tests/OpenTK.Tests/Vector4Tests.fs
@@ -6,6 +6,7 @@ open FsCheck.Xunit
 open System
 open System.Runtime.InteropServices
 open OpenTK
+open OpenTK.Tests.Generators
 
 module Vector4 =
     [<Properties(Arbitrary = [| typeof<OpenTKGen> |])>]