code: def coveredPairs(
      blocker: blocking.Fingerprinter, records: DataInt
  ) -> ComparisonCoverInt:
      ...
  
imports: from __future__ import annotations
  import collections
  import functools
  import itertools
  import logging
  import math
  import random
  from abc import ABC
  from typing import TYPE_CHECKING, overload
  from warnings import warn
  from .None import blocking, branch_and_bound
label_desc: Use image node_id 2 for calling the DedupeBlockLearner obj's underlying member method code with example usage: obj.coveredPairs(blocker, records) without return types