autogen/dotnet/samples/Hello/Hello.csproj

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    <ProjectReference Include="..\..\src\Microsoft.AutoGen.Agents\Runtime\Microsoft.AutoGen.Agents.Runtime.csproj" />
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    <PackageReference Include="Microsoft.Extensions.Hosting" />
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    <TargetFramework>net8.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
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</Project>