import { IServerRequest } from '@vue-skuilder/common';
export interface Result {
    status: 'ok' | 'awaiting' | 'warning' | 'error';
    ok: boolean;
    error?: unknown;
}
interface ProcessingFunction<T> {
    (data: T): Promise<Result>;
}
/**
 * This queue executes async prcesses sequentially, waiting
 * for each to complete before launching the next.
 */
export default class AsyncProcessQueue<T extends IServerRequest, R extends Result> {
    private processRequest;
    private queue;
    private errors;
    private completed;
    private processing;
    private nextID;
    /**
     * Returns 'complete' if the job is complete, 'error' if the
     * job failed, and the job's position in queue if not yet
     * completed.
     *
     * @param jobID The jobID returned by addRequest
     */
    jobStatus(jobID: number): 'complete' | 'error' | number;
    private recurseGetResult;
    getResult(jobID: number, _depth?: number): Promise<R>;
    addRequest(req: T): number;
    /**
     *
     */
    constructor(processingFcn: ProcessingFunction<T>);
    private process;
}
export {};
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