props/Common.props

<Project>
    <PropertyGroup>
        <RepoRoot>$([System.IO.Directory]::GetParent($(MSBuildThisFileDirectory)).Parent.FullName)</RepoRoot>
        <AssemblyOriginatorKeyFile>$(RepoRoot)\alibabacloud-oss-csharp-sdk-v2.snk</AssemblyOriginatorKeyFile>
        <SignAssembly>true</SignAssembly>
        <Nullable>enable</Nullable>
    </PropertyGroup>
</Project>