docs: def pyxb_is_v2(pyxb_obj):
      """
    Args:
      pyxb_obj : PyXB object
        PyXB object holding an unknown type.
  
    Returns:
      bool: **True** if ``pyxb_obj`` holds an API v2 type.
    """
      return (
          pyxb_obj._element().name().namespace()
          == d1_common.types.dataoneTypes_v2_0.Namespace
      )