library;
//
// Problems in library:
//
// pkg/front_end/testcases/regress/issue_29945.dart:6:3: Warning: 's.bool' can't be used as a type because 's' isn't defined.
//   s.bool x = null;
//   ^^^^^^
//
import self as self;

static method main() → dynamic {
  invalid-type x = null;
}