import { Flow } from '../core/flow';
import { VoidCallback } from '../common-types';
export declare class AacTranscodeFlow extends Flow {
    private _outputBitrateKbps;
    private _forceReencode;
    constructor(_outputBitrateKbps?: number, _forceReencode?: boolean);
    private _setup;
    protected onVoidToWaiting_(done: VoidCallback): void;
    protected onWaitingToVoid_(done: VoidCallback): void;
    protected onWaitingToFlowing_(done: VoidCallback): void;
    protected onFlowingToWaiting_(done: VoidCallback): void;
    protected onCompleted_(done: VoidCallback): void;
    protected onStateChangeAborted_(reason: string): void;
}