class_docstr: Selects one of the provided mutation based on a Choice subparameter
  Caution: there may be subparameter collisions
code: def _layered_mutate(self) -> None:
      self._select()._layered_mutate()
  
imports: import typing
  import numpy
  from .None import core
  from .None import transforms
  from .data import Data, Scalar
  from .choice import Choice
  from .None import _layering
label_desc: Use image node_id 5 for calling the MutationChoice obj's underlying member method code with example usage: obj._layered_mutate() without return types