code: def _tf_vpc_config(lambda_config):
      """Compute VPC configuration from the Lambda config."""
      result = {}
      vpc_config = lambda_config.get("vpc_config", {})
      if not vpc_config:
          return result
  
      if "security_group_ids" in vpc_config:
          result["vpc_security_group_ids"] = vpc_config[
              "security_group_ids"
          ]
      if "subnet_ids" in vpc_config:
          result["vpc_subnet_ids"] = vpc_config["subnet_ids"]
  
      return result
  
imports: from streamalert_cli.terraform.common import monitoring_topic_arn
label_desc: Use image node_id 2 for calling a global function with example usage: _tf_vpc_config(lambda_config) and returns: result, result