/**
 * `me.audio` — the audio module's public surface.
 *
 * Composition:
 * - {@link ./backend.ts} — shared internal state + the two WebAudio
 *   escape hatches (`getAudioContext`, `getMasterGain`) + the
 *   `stopOnAudioError` flag.
 * - {@link ./playback.ts} — file-based playback (`load`, `play`,
 *   `pause`, `resume`, `stop`, `fade`, `seek`, `rate`, `stereo`,
 *   `position`, `orientation`, `panner`).
 * - {@link ./procedural.ts} — procedural primitives (`tone`, `noise`).
 * - {@link ./types.ts} — public TypeScript shapes.
 *
 * This file owns the remaining lifecycle / track / mix / unload
 * helpers, plus the barrel re-exports that compose the namespace.
 */
export { getAudioContext, getMasterGain, stopOnAudioError, } from "./backend.ts";
export { fade, load, orientation, panner, pause, play, position, rate, resume, seek, stereo, stop, } from "./playback.ts";
export { noise, tone } from "./procedural.ts";
export type { LoadSettings, NoiseFilter, NoiseOptions, PannerAttributes, SoundAsset, ToneOptions, } from "./types.ts";
/**
 * Initialize and configure the audio module.
 *
 * For maximum browser coverage, list at least two formats — typically
 * webm first then mp3. Webm has near-universal modern coverage with
 * great compression / quality balance; mp3 covers older browsers.
 * Order matters: melonJS picks the first compatible format from the
 * list, so put the preferred one first.
 * @param format - Comma-separated audio formats to prioritize.
 *   One or more of: `"mp3"`, `"mpeg"`, `"opus"`, `"ogg"`, `"oga"`,
 *   `"wav"`, `"aac"`, `"caf"`, `"m4a"`, `"m4b"`, `"mp4"`, `"weba"`,
 *   `"webm"`, `"dolby"`, `"flac"`. Defaults to `"mp3"`.
 * @returns `true` when audio support was successfully initialised.
 * @example
 * // initialise with webm preferred, mp3 as fallback
 * if (!me.audio.init("webm,mp3")) {
 *     alert("Sorry but your browser does not support html 5 audio !");
 *     return;
 * }
 * @category Audio
 */
export declare function init(format?: string): boolean;
/**
 * Check whether the given audio codec is supported by the browser.
 * @param codec - The audio format to check.
 * @returns `true` when the format is supported.
 * @category Audio
 */
export declare function hasFormat(codec: string): boolean;
/**
 * Check whether audio (HTML5 or WebAudio) is supported by the browser.
 * @returns `true` when at least one audio backend is available.
 * @category Audio
 */
export declare function hasAudio(): boolean;
/**
 * Enable audio output. Only useful if audio is supported and was
 * previously disabled through {@link disable}.
 * @category Audio
 */
export declare function enable(): void;
/**
 * Disable audio output.
 * @category Audio
 */
export declare function disable(): void;
/**
 * Play the specified audio track. Automatically loops the clip and
 * tracks it as the current track for {@link stopTrack} / {@link pauseTrack}
 * / {@link resumeTrack}.
 * @param sound_name - Audio track name (case-sensitive).
 * @param volume - Playback volume, `0.0..1.0`. Defaults to the current
 *   global volume.
 * @returns The sound instance ID.
 * @example
 * me.audio.playTrack("awesome_music");
 * @category Audio
 */
export declare function playTrack(sound_name: string, volume?: number): number;
/**
 * Stop the current audio track.
 * @see {@link playTrack}
 * @example
 * me.audio.playTrack("awesome_music");
 * me.audio.stopTrack();
 * @category Audio
 */
export declare function stopTrack(): void;
/**
 * Pause the current audio track.
 * @example
 * me.audio.pauseTrack();
 * @category Audio
 */
export declare function pauseTrack(): void;
/**
 * Resume the previously paused audio track.
 * @example
 * me.audio.playTrack("awesome_music");
 * me.audio.pauseTrack();
 * me.audio.resumeTrack();
 * @category Audio
 */
export declare function resumeTrack(): void;
/**
 * Return the name of the current audio track, or `null` if none is set.
 * @returns The current track name, or `null`.
 * @category Audio
 */
export declare function getCurrentTrack(): string | null;
/**
 * Set the default global volume.
 * @param volume - Volume value, `0.0..1.0`.
 * @category Audio
 */
export declare function setVolume(volume: number): void;
/**
 * Get the default global volume.
 * @returns The current volume value, `0.0..1.0`.
 * @category Audio
 */
export declare function getVolume(): number;
/**
 * Mute or unmute the specified sound. Playback continues; only the
 * audible output is suppressed.
 * @param sound_name - Audio clip name (case-sensitive).
 * @param id - Sound instance ID. When omitted, all sounds in the group
 *   are affected.
 * @param shouldMute - `true` to mute, `false` to unmute. Defaults to
 *   `true`.
 * @example
 * // mute the background music
 * me.audio.mute("awesome_music");
 * @category Audio
 */
export declare function mute(sound_name: string, id?: number, shouldMute?: boolean): void;
/**
 * Unmute the specified sound.
 * @param sound_name - Audio clip name (case-sensitive).
 * @param id - Sound instance ID. When omitted, all sounds in the group
 *   are affected.
 * @category Audio
 */
export declare function unmute(sound_name: string, id?: number): void;
/**
 * Mute all audio.
 * @category Audio
 */
export declare function muteAll(): void;
/**
 * Unmute all audio.
 * @category Audio
 */
export declare function unmuteAll(): void;
/**
 * Return whether audio is currently muted globally.
 * @returns `true` when audio is muted globally.
 * @category Audio
 */
export declare function muted(): boolean;
/**
 * Unload the specified audio track to free memory.
 * @param sound_name - Audio track name (case-sensitive).
 * @returns `true` when the track was found and unloaded.
 * @example
 * me.audio.unload("awesome_music");
 * @category Audio
 */
export declare function unload(sound_name: string): boolean;
/**
 * Unload every loaded audio track to free memory.
 * @example
 * me.audio.unloadAll();
 * @category Audio
 */
export declare function unloadAll(): void;
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