feat: direct interface for active.cc and variable rename for understandability #3162

Job	Run time
build_nuget_dotnet (windows-latest, win-x64)	13m 43s
build_nuget_dotnet (ubuntu-latest, linux-x64)	4m 30s
build_nuget_dotnet (macos-latest, osx-x64)	9m 7s
test_nuget_dotnetframework	2m 32s
test_nuget_dotnetcore (windows-latest, win-x64)	3m 37s
benchmark_nuget	0s
test_nuget_dotnetcore (ubuntu-latest, linux-x64)	1m 6s
test_nuget_dotnetcore (macos-latest, osx-x64)	1m 48s
	36m 23s

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