code: def source_file_list_run_tag_filter(run):
      """Create a RunTagFilter for listing source files.
  
      Args:
        run: tfdbg2 run name.
  
      Returns:
        `RunTagFilter` for listing the source files in the tfdbg2 run.
      """
      return provider.RunTagFilter(
          runs=[run], tags=[SOURCE_FILE_LIST_BLOB_TAG]
      )
  
imports: import json
  from tensorboard.data import provider
  from tensorboard.plugins.debugger_v2 import debug_data_multiplexer
label_desc: Use image node_id 15 for calling a global function with example usage: source_file_list_run_tag_filter(run) and returns: provider