| library; | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // pkg/front_end/testcases/general/issue38253b.dart:6:3: Error: 'g' isn't a type. | 
 | //   g f1() { | 
 | //   ^ | 
 | // | 
 | // pkg/front_end/testcases/general/issue38253b.dart:10:3: Error: 'g' isn't a type. | 
 | //   g f2() async { | 
 | //   ^ | 
 | // | 
 | // pkg/front_end/testcases/general/issue38253b.dart:7:5: Error: A value must be explicitly returned from a non-void function. | 
 | //     return; | 
 | //     ^ | 
 | // | 
 | // pkg/front_end/testcases/general/issue38253b.dart:11:5: Error: A value must be explicitly returned from a non-void async function. | 
 | //     return; | 
 | //     ^ | 
 | // | 
 | import self as self; | 
 |  | 
 | static field () → Null a; | 
 | static method main() → dynamic | 
 |   ; |