library;
//
// Problems in library:
//
// pkg/front_end/testcases/extensions/builtin_identifiers.dart:5:11: Error: Can't use 'mixin' as a name here.
// extension mixin on int {}
//           ^^^^^
//
// pkg/front_end/testcases/extensions/builtin_identifiers.dart:7:11: Error: Can't use 'extension' as a name here.
// extension extension on int {}
//           ^^^^^^^^^
//
// pkg/front_end/testcases/extensions/builtin_identifiers.dart:9:11: Error: Can't use 'as' as a name here.
// extension as on int {}
//           ^^
//
import self as self;
import "dart:core" as core;

extension mixin on core::int* {
}
extension extension on core::int* {
}
extension as on core::int* {
}
static method main() → void {}