code: def experimental_from_proto(cls, proto):
      return MyCompositeClass(
          *[
              serialization.deserialize(element)
              for element in proto.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 3 for calling the MyCompositeClass obj's underlying member method code with example usage: obj.experimental_from_proto(cls, proto) and returns: MyCompositeClass