grpc/src/csharp/Grpc.Examples/Grpc.Examples.csproj

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    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
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  <ItemGroup>
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  <ItemGroup>
    <PackageReference Include="Google.Protobuf" Version="$(GoogleProtobufVersion)" />
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  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
    <Reference Include="System" />
    <Reference Include="Microsoft.CSharp" />
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</Project>