/**
 * Spawner Update System
 *
 * Updates wave spawner timing by calling the spawner module's update() method
 * each frame with deltaTime. This enables automatic wave progression for
 * wave spawners that use timed delays.
 *
 * Following engine patterns:
 * - Systems are functions that take ECSContext and perform updates
 * - deltaTime is obtained from ctx resources
 * - Systems are registered in the pipeline and run each frame
 */
import { ECSContext } from "../ecs";
/**
 * System to update spawner state each frame
 *
 * This drives timed wave spawning by calling spawnerModule.update(deltaTime).
 * Waves with delay > 0 will trigger when their delay time has elapsed
 * since the previous wave.
 *
 * Usage:
 * - Wave spawners automatically advance waves based on their delay properties
 * - delay: 0 waves spawn immediately on initialization
 * - delay: N waves spawn N seconds after the previous wave
 */
export declare const updateSpawnerSystem: (ctx: ECSContext) => void;
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