code: def __init__(
      self,
      init_output_summary=None,
      run_initialized=None,
      dep_source_resolved=None,
      run_starting=None,
      run_stopped=None,
  ):
      self.init_output_summary = init_output_summary
      self.run_initialized = run_initialized
      self.dep_source_resolved = dep_source_resolved
      self.run_starting = run_starting
      self.run_stopped = run_stopped
  
imports: import logging
  import os
  import subprocess
  import time
  from guild import config
  from guild import exit_code
  from guild import log
  from guild import op_dep
  from guild import op_util
  from guild import run
  from guild import util
label_desc: Use image node_id 1 to create a new OperationCallbacks object  with example: obj = OperationCallbacks(init_output_summary, run_initialized, dep_source_resolved, run_starting, run_stopped)