/**
 * Background worker for processing upload jobs
 */
declare class UploadWorker {
    private isRunning;
    private pollInterval;
    /**
     * Start the background worker
     */
    start(): void;
    /**
     * Stop the background worker
     */
    stop(): void;
    /**
     * Main processing loop
     */
    private processQueue;
    /**
     * Process a single upload job
     */
    private processJob;
    /**
     * Route upload to platform-specific handler
     */
    private uploadByPlatform;
    /**
     * Utility function for sleeping
     */
    private sleep;
    /**
     * Get worker status
     */
    getStatus(): {
        isRunning: boolean;
        queueSize: number;
    };
}
export declare const uploadWorker: UploadWorker;
export {};
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