class_docstr: Common base class for Command Invalid errors.
code: def extend(self, exceptions: list[ValidationError]) -> None:
      self._exceptions.extend(exceptions)
  
imports: from typing import Any, Optional
  from flask_babel import lazy_gettext
  from marshmallow import ValidationError
  from superset.exceptions import SupersetException
label_desc: Use image node_id 3 for calling the CommandInvalidError obj's underlying member method code with example usage: obj.extend(exceptions) without return types