return new InterfaceDefaultMethodChecksNull() {};
    }

    default void checksNull(String s) {
      checkNotNull(s);
    }
  }

  public void testInterfaceStaticMethod() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(InterfaceStaticMethodChecksNull.class);
    try {