/**
 * @fileoverview Worker Pool Manager for Offscreen Rendering
 * @module plugins/offscreen/pool
 */
export interface WorkerTask {
    id: string;
    priority: number;
    timestamp: number;
    resolve: (value: ImageBitmap) => void;
    reject: (error: Error) => void;
}
export declare class WorkerPool {
    private size;
    private workers;
    private availableWorkers;
    private taskQueue;
    private activeJobs;
    constructor(size: number);
    private initialize;
    private handleWorkerMessage;
    private handleWorkerError;
    private findTask;
    private processQueue;
    submit(priority?: number): Promise<ImageBitmap>;
    getStats(): {
        total: number;
        active: number;
        idle: number;
        queued: number;
    };
    destroy(): void;
}