code: def get_gateway_image_id() -> str:
      return "projects/ubuntu-os-cloud/global/images/ubuntu-2204-jammy-v20230714"
  
file_path: dstack/src/dstack/_internal/core/backends/gcp/resources.py
imports: from typing import Dict, List, Optional
  import google.api_core.exceptions
  import google.cloud.compute_v1
  from google.api_core.extended_operation import ExtendedOperation
  import dstack.version
  from dstack._internal.core.models.instances import Gpu
  from dstack._internal.utils.logging import get_logger
label_desc: Use image node_id 3 for calling a global function with example usage: get_gateway_image_id() and returns: str