| @protocol PROTO1 | |
| @required | |
| - (int) FooBar; | |
| @optional | |
| - (void) MyMethod1; | |
| + (int) S; | |
| @end | |
| @interface INTF1 | |
| @required // expected-error {{@required may be specified in protocols only}} | |
| - (int) FooBar; | |
| - (int) FooBar1; | |
| - (int) FooBar2; | |
| @optional // expected-error {{@optional may be specified in protocols only}} | |
| + (int) C; | |
| - (int)I; | |
| @end |