code: def deserialize(
      self,
      ui_value: Optional[StringTriggerValueProto],
      widget_id: str = "",
  ) -> str | None:
      if ui_value is None or not ui_value.HasField("data"):
          return None
  
      return ui_value.data
  
imports: from __future__ import annotations
  from dataclasses import dataclass
  from enum import Enum
  from typing import TYPE_CHECKING, Optional, Tuple, cast
  from typing_extensions import Literal
  from streamlit import runtime
  from streamlit.elements.image import AtomicImage, WidthBehaviour, image_to_url
  from streamlit.elements.utils import check_callback_rules, check_session_state_rules
  from streamlit.errors import StreamlitAPIException
  from streamlit.proto.Block_pb2 import Block
  from streamlit.proto.ChatInput_pb2 import ChatInput
  from streamlit.proto.Common_pb2 import StringTriggerValue
  from streamlit.proto.RootContainer_pb2 import RootContainer
  from streamlit.runtime.metrics_util import gather_metrics
  from streamlit.runtime.scriptrunner import get_script_run_ctx
  from streamlit.runtime.state import WidgetArgs, WidgetCallback, WidgetKwargs, register_widget
  from streamlit.runtime.state.common import compute_widget_id
  from streamlit.string_util import is_emoji
  from streamlit.type_util import Key, to_key
label_desc: Use image node_id 1 for calling the ChatInputSerde obj's underlying member method code with example usage: obj.deserialize(ui_value, widget_id) and returns: ui_value, None