code: def test_create_default(self) -> None:
      alias = bcpa.DeprecatedAlias(
          "width", since=(3, 1, 0), help="Object's width"
      )
      assert alias.aliased_name == "width"
      assert alias.since == (3, 1, 0)
      assert alias.help == "Object's width"
  
file_path: bokeh/tests/unit/bokeh/core/property/test_alias.py
imports: from __future__ import annotations
  import pytest
  from tests.support.util.api import verify_all
  import bokeh.core.property.alias
label_desc: Use image node_id 1 for calling the Test_DeprecatedAlias obj's underlying member method code with example usage: obj.test_create_default() without return types