Gremlin Server HTTP endpoint (e.g., "http://localhost:8182/gremlin").
Optional
Request middleware (auth, retry, logging).
Optional: source graph name for Neptune/Cosmos.
Request timeout in milliseconds. Defaults to DEFAULT_TIMEOUT_MS (30 s); pass 0 to disable it.
DEFAULT_TIMEOUT_MS
Gremlin Server HTTP endpoint (e.g., "http://localhost:8182/gremlin").