import { LevelManager } from "../managers/level.d.ts";
/**
 * Register the sound property handler.
 *
 * Supports the following properties on scene nodes:
 * - `sound` (string): Path to the sound file
 * - `sound_volume` (number): Volume 0-1, default 1
 * - `sound_loop` (boolean): Whether to loop, default true
 * - `sound_spatial` (boolean): Whether to use 3D spatial audio, default true
 * - `sound_distance` (number): Maximum distance for spatial audio, default 100
 * - `sound_autoplay` (boolean): Whether to autoplay, default true
 * - `sound_channel` (string): Audio channel name, default 'ambient'
 *
 * @param levelManager
 */
export declare function registerSoundHandler(levelManager: LevelManager): void;