import System from '../core/System.js';
import type GameObject from '../core/GameObject.js';
/**
 * A system that processes entities with RenderComponents.
 * Handles camera transforms, frustum culling, and drawing.
 */
export default class RenderingSystem extends System {
    private ctx;
    constructor(ctx: CanvasRenderingContext2D);
    /**
     * Updates the rendering context (used when the engine is re-initialised).
     * @param ctx The new canvas rendering context.
     */
    setContext(ctx: CanvasRenderingContext2D): void;
    /**
     * Main rendering loop.
     * @param entities The set of entities to process.
     * @param deltaTime Time passed since the last frame (optional).
     * @param debug Whether to draw debug overlays (hitboxes/tags).
     */
    update(entities: Set<GameObject>, deltaTime?: number, debug?: boolean): void;
}