import type { Application } from './Application';
import { Entity } from './Entity';
export declare class EntityManager {
    private _app;
    private nextEntityId;
    private entities;
    constructor(app: Application);
    getAll(): Entity[];
    exist(entity: Entity): boolean;
    addEntity(entity: Entity): Promise<Entity>;
    removeEntity(entity: Entity): void;
    traverse(func: (entity: Entity) => void): void;
    getByName(name: string): Entity;
    getById(id: number): Entity;
    filter(typeList: string): any[];
    filterByCondition(condition: any): Entity;
}