class_docstr: Manual node's internal state.
  
  Attributes:
    state: Current state of the manual node.
class_docstr_tok: ["Manual","node","'s","internal","state",".","Attributes",":","state",":","Current","state","of","the","manual","node","."]
code: def set_mlmd_value(
      self, value: metadata_store_pb2.Value
  ) -> metadata_store_pb2.Value:
      data_types_utils.set_metadata_value(value, json_utils.dumps(self))
      return value
  
imports: import threading
  from typing import Optional
  import attr
  from tfx.orchestration import data_types_utils
  from tfx.orchestration import metadata
  from tfx.orchestration.experimental.core import mlmd_state
  from tfx.orchestration.experimental.core import task
  from tfx.orchestration.experimental.core import task_scheduler
  from tfx.proto.orchestration import pipeline_pb2
  from tfx.utils import json_utils
  from tfx.utils import status
  from ml_metadata.proto import metadata_store_pb2
label_desc: Use image node_id 2 for calling the ManualNodeState obj's underlying member method code with example usage: obj.set_mlmd_value(value) and returns: value