class JsonObjKeysCommand extends Command<(string[] | null)[], (string[] | null)[]>import { JsonObjKeysCommand } from "https://deno.land/x/upstash_redis@v1.20.1/pkg/commands/json_objkeys.ts"; ConstructorsnewJsonObjKeysCommand(cmd: [string, string], opts?: CommandOptions<(string[] | null)[], (string[] | null)[]>)