import { ByteArray } from "../../avm2/natives/byteArray";
import { SoundTransform } from "./SoundTransform";
import { ASObject } from "../../avm2/nat/ASObject";
/**
 * Copyright 2014 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
export interface ISoundSource {
    soundTransform: SoundTransform;
    updateSoundLevels(volume: number): any;
    stopSound(): any;
}
export declare class SoundMixer extends ASObject {
    static classInitializer: any;
    static classSymbols: string[];
    static instanceSymbols: string[];
    constructor();
    private static _masterVolume;
    private static _registeredSoundSources;
    private static _bufferTime;
    static _soundTransform: SoundTransform;
    static get bufferTime(): number;
    static set bufferTime(bufferTime: number);
    static get soundTransform(): SoundTransform;
    static set soundTransform(sndTransform: SoundTransform);
    static get audioPlaybackMode(): string;
    static set audioPlaybackMode(value: string);
    static get useSpeakerphoneForVoice(): boolean;
    static set useSpeakerphoneForVoice(value: boolean);
    static stopAll(): void;
    static computeSpectrum(outputArray: ByteArray, FFTMode?: boolean, stretchFactor?: number): void;
    static areSoundsInaccessible(): boolean;
    static _getMasterVolume(): number;
    static _setMasterVolume(volume: any): void;
    static _registerSoundSource(source: ISoundSource): void;
    static _unregisterSoundSource(source: ISoundSource): void;
    static _updateSoundSource(source: ISoundSource): void;
    static _updateAllSoundSources(): void;
}