code: def __init__(cls, name, bases, dct):
      super().__init__(name, bases, dct)
      cls.registry = KeyedRegistry(default=lambda *args: None)
  
      if instrument.PROFILE:
          COUNTERS = instrument.COUNTERS
  
          def profiled_dispatch(*args):
              name = cls.__name__ + ".dispatch"
              start = default_timer()
              result = cls.registry.dispatch(*args)
              COUNTERS["time"][name] += default_timer() - start
              COUNTERS["call"][name] += 1
              COUNTERS["interpretation"][cls.__name__] += 1
              return result
  
          cls.dispatch = staticmethod(profiled_dispatch)
      else:
          cls.dispatch = staticmethod(cls.registry.dispatch)
  
imports: from abc import ABC, abstractmethod
  from collections.abc import Hashable
  from contextlib import ContextDecorator, contextmanager
  from timeit import default_timer
  from .None import instrument
  from .interpreter import get_interpretation, pop_interpretation, push_interpretation
  from .registry import KeyedRegistry
  from .util import get_backend
label_desc: Use image node_id 1 to create a new StatefulInterpretationMeta object from inherited base classes:  with example: obj = StatefulInterpretationMeta(cls, name, bases, dct)