import { IStringDictionary, Undefinable } from "../utils/types";
import { Asset } from "./asset";
import { Entity, IRunEvent } from "./entity";
import { Thing } from "./thing";
export interface IComponent extends IRunEvent {
    isSingle: boolean;
    ioe: number;
    entity: Undefinable<Entity>;
    nextStep: Function;
    update: (entity: Entity) => any;
}
export interface IComponentOption {
    entity?: Entity;
    type?: string;
    isSingle?: boolean;
    accessors?: IStringDictionary<any> | string[];
}
export declare abstract class Component extends Thing implements IComponent {
    protected options?: IComponentOption;
    entity: Undefinable<Entity>;
    protected _object: any;
    /**
     * 此属性是否将资源的属性在组件中解释
     * 比如材质是false  那么材质的属性指点点击关联的材质，才会显示材质的相应属性
     * 而相机为true ,就是在属性面板直接显示资源的属性在inspector
     */
    inspectorAsset: boolean;
    /**
     * 关联的资源
     */
    _asset: Undefinable<Asset> | Asset[];
    /**
     * 是否只允许存在一个
     */
    isSingle: boolean;
    /**
     * Index of Entity 在实体组件数组中的位置
     */
    ioe: number;
    label: string;
    constructor(options?: IComponentOption);
    init(): void;
    set needsUpdate(v: boolean);
    get object(): any;
    set object(val: any);
    beforeupdate(): void;
    afterupdate(): void;
    nextStep(entity: Entity): void;
    update(option?: any): any;
}