class_docstr: Import hook for a shim.
  
  This ensures that submodule imports return the real target module,
  not a clone that will confuse `is` and `isinstance` checks.
docstr: get the name of the mirrored module
docstr_tok: ["get","the","name","of","the","mirrored","module"]
code: def _mirror_name(self, fullname):
      """get the name of the mirrored module"""
  
      return self.mirror + fullname[len(self.src) :]
  
imports: import importlib.abc
  import importlib.util
  import sys
  import types
  from importlib import import_module
  from .importstring import import_item
label_desc: Use image node_id 2 for calling the ShimImporter obj's underlying member method code with example usage: obj._mirror_name(fullname) and returns: unknown