async def get_tools(
      self, readonly_context: Optional[ReadonlyContext] = None
  ) -> List[RestApiTool]:
    """Retrieves all available tools.

    Returns:
        A list of all available RestApiTool objects.
    """
    if not self._openapi_toolset:
      self._prepare_toolset()
    if not self._openapi_toolset:
      return []
    return await self._openapi_toolset.get_tools(readonly_context)
Retrieves all available tools.

    Returns:
        A list of all available RestApiTool objects.
    
src/google/adk/tools/apihub_tool/apihub_toolset.py