export declare function theAudioContext(): AudioContext | null;
export declare function waitForTheAudioContext(): Promise<AudioContext>;
export declare function createOfflineAudioContext(channelCount: number, sampleCount: number, sampleRate: number): OfflineAudioContext;
export declare function getSources(): AudioBufferSourceNode[];
export declare function attachSource(source: AudioBufferSourceNode): number;
export declare function releaseSource(source: AudioBufferSourceNode): void;
export declare function clearSources(): void;
export declare function isAnythingPlaying(): number;