code: def _parse_graph_info_blob_key(blob_key):
      """Parse the BLOB key for graph info.
  
      Args:
        blob_key: The BLOB key to parse. By contract, it should have the format:
         `${GRAPH_INFO_BLOB_TAG_PREFIX}_${graph_id}.${run_name}`,
  
      Returns:
        - run name
        - graph_id
      """
      key_body, run = blob_key.split(".")
      graph_id = key_body[len(GRAPH_INFO_BLOB_TAG_PREFIX) + 1 :]
      return run, graph_id
  
imports: import json
  from tensorboard.data import provider
  from tensorboard.plugins.debugger_v2 import debug_data_multiplexer
label_desc: Use image node_id 14 for calling a global function with example usage: _parse_graph_info_blob_key(blob_key) and returns: run,  graph_id