class_docstr: User-defined class instrumentation extension.
  
  :class:`.InstrumentationManager` can be subclassed in order
  to change
  how class instrumentation proceeds. This class exists for
  the purposes of integration with other object management
  frameworks which would like to entirely modify the
  instrumentation methodology of the ORM, and is not intended
  for regular usage.  For interception of class instrumentation
  events, see :class:`.InstrumentationEvents`.
  
  The API for this class should be considered as semi-stable,
  and may change slightly with new releases.
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code: def initialize_instance_dict(self, class_, instance):
      pass
  
imports: import weakref
  from ..None import util
  from ..orm import attributes
  from ..orm import base
  from ..orm import collections
  from ..orm import exc
  from ..orm import instrumentation
  from ..orm import util
  from ..orm.instrumentation import _default_dict_getter
  from ..orm.instrumentation import _default_manager_getter
  from ..orm.instrumentation import _default_opt_manager_getter
  from ..orm.instrumentation import _default_state_getter
  from ..orm.instrumentation import ClassManager
  from ..orm.instrumentation import InstrumentationFactory
label_desc: Use image node_id 13 for calling the InstrumentationManager obj's underlying member method code with example usage: obj.initialize_instance_dict(class_, instance) without return types