dotnet-installer/src/core-sdk-tasks/core-sdk-tasks.csproj

<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <TargetFrameworks>$(CoreSdkTargetFramework);net472</TargetFrameworks>
    <TargetFrameworks Condition="'$(OS)' != 'Windows_NT'">$(CoreSdkTargetFramework)</TargetFrameworks>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.Build" Version="15.7.177" />
    <PackageReference Include="Microsoft.Build.Utilities.Core" Version="15.7.177" />
    <PackageReference Include="Microsoft.DotNet.PlatformAbstractions" Version="2.0.0" />
    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
    <PackageReference Include="NuGet.Versioning" Version="4.3.0" />
    <PackageReference Include="System.Reflection.Metadata" Version="1.4.2" />
  </ItemGroup>

  <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">
    <Reference Include="System.Net.Http" />
  </ItemGroup>
</Project>