code: def __init__(self, output_data_type):
      self.output_data_type = output_data_type
  
imports: from typing import Mapping, Set
  import tensorflow
  from tfx.dsl.control_flow import for_each
  from tfx.dsl.control_flow import for_each_internal
  from tfx.dsl.input_resolution import resolver_function
  from tfx.dsl.input_resolution import resolver_op
  import tfx.types
  from tfx.types import resolved_channel
  from tfx.utils import typing_utils
label_desc: Use image node_id 1 to create a new DummyNode object from inherited base classes: resolver_op with example: obj = DummyNode(output_data_type)