code: def get_link(self, operator, *, ti_key):
      search_queries = XCom.get_one(
          task_id=ti_key.task_id,
          dag_id=ti_key.dag_id,
          run_id=ti_key.run_id,
          key="search_query",
      )
      if not search_queries:
          return None
      if len(search_queries) < self.index:
          return None
      search_query = search_queries[self.index]
      return (
          f"https://console.cloud.google.com/bigquery?j={search_query}"
      )
  
imports: from __future__ import annotations
  import warnings
  from typing import TYPE_CHECKING, Any, Sequence
  import attr
  from airflow.models.baseoperator import BaseOperator
  from airflow.models.baseoperatorlink import BaseOperatorLink
  from airflow.models.xcom import XCom
label_desc: Use image node_id 2 for calling the CustomBaseIndexOpLink obj's underlying member method code with example usage: obj.get_link(operator) and returns: str, search_query, None, None