import { UnsupportedError } from '../errors';
/**
 * This file provides a cross-browser polyfill for AudioContext.
 *
 * Currently, Safari is the only browser that needs this as it still prefixes
 * `AudioContext` as `webkitAudioContext`.
 *
 * It is necessary to declare `AudioContext` in the `Window` global as it does
 * not exist in older typings.
 */
declare global {
    interface Window {
        AudioContext: typeof AudioContext;
        webkitAudioContext: typeof AudioContext;
    }
}
/**
 * @internalapi
 * Common error that can be thrown when the polyfill is unable to work.
 */
export declare const AudioContextUnsupportedError: UnsupportedError;
/**
 * @internalapi
 * Attempts to polyfill `AudioContext`.
 */
export declare const AudioContextPolyfill: typeof window.AudioContext | undefined;