def __init__(self, data: List[Tuple[(ASTNestedNameElement, Union[(ASTTemplateParams, ASTTemplateIntroduction)], str)]]) -> None:
    self.data = data
def __init__(self, data: List[Tuple[(ASTNestedNameElement, Union[(ASTTemplateParams, ASTTemplateIntroduction)], str)]]) -> None:
    self.data = data