ObjCBlock_objcObjCObject_ffiVoid_NSWindow_objcObjCObject_CallExtension extension
Call operator for objc.ObjCBlock<ffi.Pointer<objc.ObjCObject>? Function(ffi.Pointer<ffi.Void>, NSWindow, ffi.Pointer<objc.ObjCObject>?)>.
Call operator for objc.ObjCBlock<ffi.Pointer<objc.ObjCObject>? Function(ffi.Pointer<ffi.Void>, NSWindow, ffi.Pointer<objc.ObjCObject>?)>.