code: def test__hinted_value_is_identity(self) -> None:
      p = bcpb.Property()
      assert p._hinted_value(10, "hint") == 10
      assert p._hinted_value(10, None) == 10
  
imports: from __future__ import annotations
  import pytest
  from typing import Any
  from unittest.mock import MagicMock, patch
  import numpy
  import pandas
  from bokeh.core.has_props import HasProps
  from tests.support.util.api import verify_all
  from tests.support.util.types import Capture
  import bokeh.core.property.bases
label_desc: Use image node_id 14 for calling the TestProperty obj's underlying member method code with example usage: obj.test__hinted_value_is_identity() without return types