[WILDCARD]Error: constructor
    at new A ([WILDCARD]/error_020_stack_constructor.ts:[WILDCARD])
    at [WILDCARD]/error_020_stack_constructor.ts:[WILDCARD]
error: Uncaught Error: constructor
    throw new Error("constructor");
          ^
    at new A ([WILDCARD]/error_020_stack_constructor.ts:[WILDCARD])
    at [WILDCARD]/error_020_stack_constructor.ts:[WILDCARD]