code: def _hook(ctx: AnalyzeTypeContext) -> Type:
      """Replace a type-alias with a concrete ``NBitBase`` subclass."""
      typ, _, api = ctx
      name = typ.name.split(".")[-1]
      name_new = _PRECISION_DICT[f"numpy._typing._nbit.{name}"]
      return api.named_type(name_new)
  
file_path: numpy/numpy/typing/mypy_plugin.py
imports: from __future__ import annotations
  from collections.abc import Iterable
  from typing import Final, TYPE_CHECKING, Callable
  import numpy
label_desc: Use image node_id 4 for calling a global function with example usage: _hook(ctx) and returns: api