code: def __str__(self) -> str:
      if self.items:
          return (
              "("
              + f" {self.aggregator.value} ".join(map(str, self.items))
              + ")"
          )
      return ""
  
imports: import typing
  from dataclasses import dataclass
  from enum import Enum
  from typing import Iterable
label_desc: Use image node_id 1 for calling the NQLQueryAggregate obj's underlying member method code with example usage: obj.__str__() and returns: str, unknown