ObjCBlock_ffiVoid_ffiVoid_objcObjCSelector_CallExtension extension
Call operator for objc.ObjCBlock<ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Pointer<objc.ObjCSelector>)>.
Call operator for objc.ObjCBlock<ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Pointer<objc.ObjCSelector>)>.