msbuild_packages/System.Collections.Immutable.8.0.0/buildTransitive/net461/System.Collections.Immutable.targets

<Project InitialTargets="NETStandardCompatError_System_Collections_Immutable_net462">
  <Target Name="NETStandardCompatError_System_Collections_Immutable_net462"
          Condition="'$(SuppressTfmSupportBuildWarnings)' == ''">
    <Warning Text="System.Collections.Immutable 8.0.0 doesn't support $(TargetFramework) and has not been tested with it. Consider upgrading your TargetFramework to net462 or later. You may also set &lt;SuppressTfmSupportBuildWarnings&gt;true&lt;/SuppressTfmSupportBuildWarnings&gt; in the project file to ignore this warning and attempt to run in this unsupported configuration at your own risk." />
  </Target>
</Project>