code: def __init__(self, *elements):
      self.elements = elements
  
imports: from tensorflow.core.function.trace_type import serialization
  from tensorflow.core.function.trace_type import serialization_test_pb2
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 to create a new MyCompositeClass object from inherited base classes: serialization with example: obj = MyCompositeClass()