/**
 * Copyright (c) 2026 Dominic Masters
 *
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

/**
 * An event proxy with up to 4 subscribable callback slots (indices 0–3).
 * Assign a function to subscribe; assign `null` to unsubscribe.
 *
 * @example
 * assets.onLoaded[0] = () => { Console.print('all loaded'); };
 * assets.onLoaded[0] = null; // unsubscribe
 */
interface AssetEventProxy {
  0: (() => void) | null;
  1: (() => void) | null;
  2: (() => void) | null;
  3: (() => void) | null;
  /** Number of available slots (always 4). */
  readonly length: number;
}