import { TestAudioBuffer } from "./TestAudioBuffer";
export declare function OfflineRender(callback: (context: OfflineAudioContext) => Promise<void> | void, duration?: number, channels?: number, sampleRate?: number): Promise<TestAudioBuffer>;
/**
 * Returns true if the input passes audio to the output
 */
export declare function PassesAudio(callback: (context: OfflineAudioContext, input: ConstantSourceNode, output: AudioDestinationNode) => Promise<void> | void): Promise<boolean>;
/**
 * Returns true if the callback makes a sound
 */
export declare function MakesSound(callback: (context: OfflineAudioContext) => Promise<void> | void, duration?: number, channels?: number, sampleRate?: number): Promise<boolean>;