code: def __detection_mode_factory(self):
      if self.detection_mode == self._DETECTION_ALL:
          return self._detection_mode_all
      elif self.detection_mode == self._DETECTION_DROP:
          return self._detection_mode_drop
      else:
          return self._detection_mode_off
  
imports: from __future__ import annotations
  import abc
  import collections
  import math
  import random
  import sys
  from river import base, drift, metrics, tree, utils
  from river.tree.nodes.et_nodes import ETLeafAdaptive, ETLeafMean, ETLeafModel
  from river.tree.splitter.random_splitter import RegRandomSplitter
label_desc: Use image node_id 11 for calling the ExtraTrees obj's underlying member method code with example usage: obj.__detection_mode_factory() and returns: self, self, self