import { type ExtendedBool } from '../prelude.js';
/** Audio initialization function type */
export type AudioInitializationFunction = (con: AudioContext) => void;
/** Audio handle class */
export declare class AudioHandle {
    con?: AudioContext;
    initialized: ExtendedBool;
    /** Initialize the audio context.
     * See https://html.spec.whatwg.org/multipage/interaction.html#activation-triggering-input-event */
    initialize(ini?: AudioInitializationFunction): Promise<void>;
}