get_function_sql(self: Function, subquery: Any = None, with_alias: Any = None, **kwargs: Any) -> str:
    special_params_sql = self.get_special_params_sql(**kwargs)

    return "{name}({args}{special})".format(
        name=self.name,
        args=",".join(
            p.get_sql(with_alias=False, subquery=True, **kwargs)
            if hasattr(p, "get_sql")
            else self.get_arg_sql(p, **kwargs)
            for p in self.args
        ),
        special=(" " + special_params_sql) if special_params_sql else "",
    )