code: def __init__(self):
      self.accumulated = []
  
imports: from __future__ import annotations
  import collections
  import contextlib
  import itertools
  import re
  from ..None import event
  from ..engine import url
  from ..engine.default import DefaultDialect
  from ..schema import BaseDDLElement
label_desc: Use image node_id 1 to create a new SQLAsserter object  with example: obj = SQLAsserter()