| 12345678910111213141516171819 | <Project Sdk="MSBuild.Sdk.Extras">  <PropertyGroup>    <Description>LINQ Standard Query Operators used to express queries over asynchronous enumerable sequences.</Description>    <AssemblyTitle>System.Linq.Async</AssemblyTitle>    <Authors>Microsoft</Authors>    <TargetFrameworks>net461;netstandard2.0;netstandard2.1;netcoreapp3.0</TargetFrameworks>    <PackageTags>Enumerable;Asynchronous;LINQ</PackageTags>  </PropertyGroup>  <ItemGroup>    <PackageReference Condition="'$(TargetFramework)' != 'netcoreapp3.0' and '$(TargetFramework)' != 'netstandard2.1' " Include="Microsoft.Bcl.AsyncInterfaces" Version="1.0.0-preview6.19303.8" />  </ItemGroup>  <ItemGroup>    <Compile Include="..\..\System.Linq.Async\**\*.cs" Exclude="..\..\System.Linq.Async\obj\**" />  </ItemGroup>  </Project>
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