Available on cs
@:overloadstaticfinalCapture():ExecutionContext
@:overloadstaticfinalIsFlowSuppressed():Bool
@:overloadstaticfinalRestoreFlow():Void
@:overloadstaticfinalRun(executionContext:ExecutionContext, callback:ContextCallback, state:Dynamic):Void
@:overloadstaticfinalSuppressFlow():AsyncFlowControl
@:overloadfinalCreateCopy():ExecutionContext
@:overloadfinalGetObjectData(info:SerializationInfo, context:StreamingContext):Void