ln.logging/ln.logging/ln.logging.csproj

<Project Sdk="Microsoft.NET.Sdk">

    <PropertyGroup>
        <TargetFramework>netcoreapp3.1</TargetFramework>
    </PropertyGroup>

    <ItemGroup>
      <PackageReference Include="System.Runtime" Version="4.3.1" />
    </ItemGroup>
</Project>