code: def engine():
      return GenericElasticEngineBackend.get_instance()
  
file_path: argilla/tests/unit/server/daos/backend/test_generic_elastic_engine.py
imports: import uuid
  import pytest
  from argilla.server.commons.models import TaskType
  from argilla.server.daos.backend import GenericElasticEngineBackend
  from argilla.server.daos.backend.search.model import BaseRecordsQuery
  from argilla.server.errors import InvalidTextSearchError
label_desc: Use image node_id 1 for calling a global function with example usage: engine() and returns: GenericElasticEngineBackend