None
As seen on CI, and reported by other SDK owners e.g. [here|https://couchbase.slack.com/archives/G9682CWN7/p1693996237871319], query server can return an error we do not currently parse:
{noformat}
com.couchbase.client.core.error.InternalServerFailureException: Internal Couchbase Server error {"completed":true,"coreId":"0x2985ee7200000001","errors":[{"code":5000,"message":"GSI Drop() - cause: Index does not exist.","retry":false}],"httpStatus":500,"idempotent":false,"lastDispatchedFrom":"172.28.0.5:40998","lastDispatchedTo":"172.23.111.129:8093","requestId":76725,"requestType":"QueryRequest","retried":0,"service":{"operationId":"null","statement":"DROP INDEX `b500edf0-a7cf-48dd-8d20-b0d95ef509ad` ON `default`.`scope-management_query_collection_CollectionQueryIndexManagerTest`.`collection1`","type":"query"},"timeoutMs":75000,"timings":{"dispatchMicros":27742,"totalDispatchMicros":27742,"totalMicros":30280}}
{noformat}