code: def most_specific_common_supertype(self, others):
      if all([self._object == other._object for other in others]):
          return MockIntGenericType(self._object)
      else:
          return None
  
imports: import dataclasses
  import itertools
  import timeit
  from typing import Any, Optional
  from tensorflow.core.function import trace_type
  from tensorflow.core.function.polymorphism import function_cache
  from tensorflow.core.function.polymorphism import function_type
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import test
  from tensorflow.python.types import trace
label_desc: Use image node_id 1 for calling the MockIntGenericType obj's underlying member method code with example usage: obj.most_specific_common_supertype(others) and returns: MockIntGenericType, None