import { Camera2D } from '../../camera/2d';
import { Vec2 } from '../../math';
import { World } from '../world';
import { World2DConfig } from './world.2d.config';
/**
 * Concrete World2D, a World EntityManager setting out the 2D-specific properties and behavior of World object management for 2D Games
 *
 * Implements and type-narrows the abstract elements of the parent class World so as to produce consumer type-safety on things like Camera
 *   management
 */
export declare class World2D extends World<World2DConfig> {
    /** Concrete 2D active Camera */
    readonly activeCamera: Camera2D;
    /** Concrete mapping of 2D Cameras */
    protected readonly cameras: Map<string, Camera2D>;
    /**
     * Constructor. Take the type-correct World2DConfig and pass it up to the parent class
     *
     * Initialise the default Camera2D based on the 2D-specific configuration
     *
     * @param config the World2DConfig
     */
    constructor(config: World2DConfig);
    /**
     * Concrete World dimension getter; narrowing the generic type to Vec2 for consumer safety
     */
    get dimensions(): Vec2;
    /**
     * Concrete Camera addition routine, narrowing the generic type to ensure the correct configuration of a World2D
     *
     * @param name the name of the Camera to add
     * @param camera the Camera2D to add
     */
    addCamera(camera: Camera2D): void;
    /**
     * Concrete Camera retrieval routine, narrowing the return type to Camera2D
     *
     * Throws an error if the Camera is not found for runtime safety
     *
     * @param name the name of the Camera to retrieve
     *
     * @returns the retreived Camera2D
     */
    getCamera(name: string): Camera2D;
}