export declare function createAudioBufferForRange(audioBuffer: AudioBuffer, time: number, duration: number): AudioBuffer; export declare function combineAudioBuffers(audioBuffers: AudioBuffer[]): AudioBuffer; export declare function cloneAudioBuffer(fromAudioBuffer: AudioBuffer): AudioBuffer; export declare function toJs(fromAudioBuffer: AudioBuffer): string; export declare function blobToAudioBuffer(audioContext: AudioContext, blob: Blob): Promise;