ObjCBlock_idCAAction_ffiVoid_CALayer_NSString$CallExtension extension
Call operator for objc.ObjCBlock<ffi.Pointer<objc.ObjCObjectImpl>? Function(ffi.Pointer<ffi.Void>, CALayer, objc.NSString)>.
Call operator for objc.ObjCBlock<ffi.Pointer<objc.ObjCObjectImpl>? Function(ffi.Pointer<ffi.Void>, CALayer, objc.NSString)>.