for (Method method : nullPointerTester.getInstanceMethodsToTest(c, visibility)) {
      for (Parameter param : Invokable.from(method).getParameters()) {
        if (!NullPointerTester.isPrimitiveOrNullable(param)) {
          return true;
        }
      }
    }
    return false;
  }

  /**
   * Tests the {@link Object#equals} and {@link Object#hashCode} of {@code cls}. In details:
   *