docstr: Get our DeltaGenerator.
docstr_tok: ["Get","our","DeltaGenerator","."]
code: def dg(self) -> "DeltaGenerator":
      """Get our DeltaGenerator."""
      return cast("DeltaGenerator", self)
  
file_path: streamlit/lib/streamlit/elements/arrow_vega_lite.py
imports: from __future__ import annotations
  import json
  from typing import TYPE_CHECKING, Any, Dict, Optional, Union, cast
  from typing_extensions import Final, Literal
  import streamlit.elements.lib.dicttools
  from streamlit.elements import arrow
  from streamlit.elements.arrow import Data
  from streamlit.errors import StreamlitAPIException
  from streamlit.logger import get_logger
  from streamlit.proto.ArrowVegaLiteChart_pb2 import ArrowVegaLiteChart
  from streamlit.runtime.metrics_util import gather_metrics
label_desc: Use image node_id 2 for calling the ArrowVegaLiteMixin obj's underlying member method code with example usage: obj.dg() and returns: cast