code: def __str__(self) -> str:
      return f"Parameter<name={self.name}, type={self.type}, default={self.default}, optional={self.optional}>"
  
imports: import typing
  from typing import Dict, TypeVar
  import pydantic
label_desc: Use image node_id 2 for calling the ParameterDescribe obj's underlying member method code with example usage: obj.__str__() and returns: str, self, str, self, str, self, str, self, str