import { QueueMessage } from "../cloud/QueueMessage.js";
interface Queue {
    enqueue(jobId: string, appId: string | undefined, workflowId: string): Promise<void>;
    schedule(jobId: string, appId: string | undefined, workflowId: string, due: Date): Promise<void>;
}
interface Dequeue extends Queue {
    dequeueSome(): Promise<Array<QueueMessage>>;
}
declare const Dequeue: {
    supports(queue: Queue): queue is Dequeue;
};
export { Queue, Dequeue };
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