code: def lowlevel_wrappers() -> List[str]:
      objects = sorted(iter_objects(alt.schema.core, restrict_to_subclass=alt.SchemaBase))  # type: ignore[attr-defined]
      # The names of these two classes are also used for classes in alt.channels. Due to
      # how imports are set up, these channel classes overwrite the two low-level classes
      # in the top-level Altair namespace. Therefore, they cannot be imported as e.g.
      # altair.Color (which gives you the Channel class) and therefore Sphinx won't
      # be able to produce a documentation page.
      objects = [o for o in objects if o not in ("Color", "Text")]
      return objects
  
file_path: altair/tools/generate_api_docs.py
imports: import sys
  import types
  from os.path import abspath, dirname, join
  from typing import Final, Optional, Iterator, List
  from types import ModuleType
  import altair
label_desc: Use image node_id 5 for calling a global function with example usage: lowlevel_wrappers() and returns: objects