import { EventEmitter } from "eventemitter3";
export declare class EncodingQueue extends EventEmitter {
    readonly fileReader: FileReader;
    private _queue;
    private _processing;
    constructor();
    readonly queue: Blob[];
    readonly size: number;
    readonly processing: boolean;
    enque(blob: Blob): void;
    destroy(): void;
    private doNextTask;
}