code: def stop_all(self):
      return False
  
imports: import ray
  from ray import tune
  import os
  from zoo.orca.automl.search.base import SearchEngine, TrialOutput, GoodError
  from zoo.orca.automl.search.parameters import DEFAULT_LOGGER_NAME, DEFAULT_METRIC_NAME
  from zoo.orca.automl.search.ray_tune.utils import convert_bayes_configs
  from zoo.orca.automl.search.utils import get_ckpt_hdfs, put_ckpt_hdfs
  from zoo.orca.automl.search import TensorboardLogger
  from ray.tune import Stopper
  from zoo.orca.automl.model.abstract import ModelBuilder
label_desc: Use image node_id 3 for calling the TrialStopper obj's underlying member method code with example usage: obj.stop_all() and returns: False