{  "engines": [    {      "id": "string",      "name": "string",      "secret": "string",      "createdTime": 0    }  ]}

export interface Response {engines?: Engine[]}/** * Engine is the management-facing representation of an engine. It deliberately *  exposes only externally relevant fields; EngineService internal fields (row *  version, projectId, last-sync time, reported image/content versions) are omitted. */export interface Engine {id?: stringname?: string/** * secret is populated only in CreateEngine and RotateEngineSecret responses; *  it is always empty in LoadEngine / LoadEngines responses. */secret?: string/** * createdTime is epoch seconds (int32 so it serializes as a JSON number). */createdTime?: number}