// Errors:
//
// pkg/front_end/testcases/regress/issue_30994.dart:6:7: Error: Can't use string interpolation in a URI.
// part '$foo';
//       ^
//
// pkg/front_end/testcases/regress/issue_30994.dart:7:7: Error: Can't use string interpolation in a URI.
// part '$foo/bar';
//       ^
//
// pkg/front_end/testcases/regress/issue_30994.dart:8:7: Error: Can't use string interpolation in a URI.
// part '$for/bar';
//       ^
//
// pkg/front_end/testcases/regress/issue_30994.dart:9:7: Error: Can't use string interpolation in a URI.
// part '${true}';
//       ^
//
// pkg/front_end/testcases/regress/issue_30994.dart:10:10: Error: Can't use string interpolation in a URI.
// part 'the${1}thing';
//          ^
//
// pkg/front_end/testcases/regress/issue_30994.dart:11:12: Error: Can't use string interpolation in a URI.
// part 'part_$foo${'a'}.dart';
//            ^
//
// pkg/front_end/testcases/regress/issue_30994.dart:12:12: Error: Can't use string interpolation in a URI.
// part 'part_${'a'}_$foo.dart';
//            ^

library lib;
import self as self;

static method main() → dynamic {}