Partial Type

src/libraries/System.Private.CoreLib/src/System/Threading/Win32ThreadPoolNativeOverlapped.cs

src/libraries/System.Private.CoreLib/src/System/Threading/Win32ThreadPoolNativeOverlapped.ExecutionContextCallbackArgs.cs

src/libraries/System.Private.CoreLib/src/System/Threading/Win32ThreadPoolNativeOverlapped.OverlappedData.cs