import { u31 } from "../protocol/interface";
export declare let emptyAudioBuffer: AudioBuffer;
export declare function getContext(): AudioContext | null | undefined;
export declare function getAudioContextObject(): AudioContext | null | undefined;
export declare function getContextState(ctx: AudioContext): u31;
export declare function audioContextResume(ctx: AudioContext): void;
export declare function audioContextPause(ctx: AudioContext): void;
export declare function initContext(): AudioContext | null | undefined;
export declare function closeContext(context: AudioContext): void;