import { SoundTransform } from "./SoundTransform";
import { ByteArray } from "../utils/ByteArray";
export declare class SoundMixer extends Object {
    constructor();
    static stopAll(): void;
    static computeSpectrum(outputArray: ByteArray, FFTMode?: boolean, stretchFactor?: number): void;
    static get bufferTime(): number;
    static set bufferTime(param1: number);
    static get soundTransform(): SoundTransform;
    static set soundTransform(param1: SoundTransform);
    static areSoundsInaccessible(): boolean;
    static get audioPlaybackMode(): string;
    static set audioPlaybackMode(mode: string);
    static get useSpeakerphoneForVoice(): boolean;
    static set useSpeakerphoneForVoice(b: boolean);
}