code: def testUnwrapBoundMethods(self):
      test_decorated_class = TestDecoratedClass()
      self.assertEqual(
          [2, 2, 3], test_decorated_class.return_params(1, 2, 3)
      )
      decorators, target = tf_decorator.unwrap(
          test_decorated_class.return_params
      )
      self.assertEqual(
          "test_decorator_increment_first_int_arg",
          decorators[0].decorator_name,
      )
      self.assertEqual([1, 2, 3], target(test_decorated_class, 1, 2, 3))
  
imports: import functools
  import inspect
  from tensorflow.python.platform import test
  from tensorflow.python.platform import tf_logging
  from tensorflow.python.util import tf_decorator
  from tensorflow.python.util import tf_inspect
label_desc: Use image node_id 6 for calling the TfDecoratorUnwrapTest obj's underlying member method code with example usage: obj.testUnwrapBoundMethods() without return types