ObjCBlock_ffiVoid_ffiVoid_NSSound_bool_CallExtension extension
Call operator for objc.ObjCBlock<ffi.Void Function(ffi.Pointer<ffi.Void>, NSSound, ffi.Bool)>.
Call operator for objc.ObjCBlock<ffi.Void Function(ffi.Pointer<ffi.Void>, NSSound, ffi.Bool)>.