Interface BackendClasses<B, C>

interface BackendClasses<B extends IQueueBackend, C> {
    FlowProducer: new (opts: FlowProducerOptions<C>) => FlowProducer<B, C>;
    Queue: new <D = any, R = any, N extends string = string>(
        name: string,
        opts: QueueOptions<C>,
    ) => Queue<
        D,
        R,
        N,
        ExtractDataType<D, D>,
        ExtractResultType<D, R>,
        ExtractNameType<D, N>,
        B,
        C,
    >;
    QueueEvents: new <R = any>(
        name: string,
        opts: QueueEventsOptions<C>,
    ) => QueueEvents<R, B, C>;
    QueueEventsProducer: new (
        name: string,
        opts: QueueEventsProducerOptions<C>,
    ) => QueueEventsProducer<B, C>;
    Worker: {
        RateLimitError: () => Error;
        new <
            D = any,
            R = any,
            N extends string = string,
            P extends JobProgress = JobProgress,
        >(
            name: string,
            processor: string | URL | Processor<D, R, N, P>,
            opts: WorkerOptions<C>,
        ): Worker<D, R, N, B, P, C>;
    };
}