SignList.xml

<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <ItemGroup>
    <FirstParty Include="Firebase.*.dll" />
    <FirstParty Include="Google.*.dll" />
  </ItemGroup>

  <ItemGroup>
    <!-- <ThirdParty Include="..." /> -->
  </ItemGroup>

  <ItemGroup>
    <!-- <Skip Include="..." /> -->
  </ItemGroup>

</Project>