code: def name(self) -> str:
      return f"BigQuery Console #{self.index + 1}"
  
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 1 for calling the CustomBaseIndexOpLink obj's underlying member method code with example usage: obj.name() and returns: str, unknown