import { DeltaState } from "../history/deltaState";
import { RenderObject } from "../objects/renderObject";
import { Process } from "../process";
import { Viewer } from "../viewer";
export declare class Task {
    protected static name_counter: number;
    protected _name: string;
    private _process;
    private _viewer;
    private _currentState;
    private _workRenderObject;
    private _workRenderObjectService;
    get name(): string;
    get viewer(): Viewer;
    set viewer(value: Viewer);
    get process(): Process;
    set process(value: Process);
    get currentState(): DeltaState;
    set currentState(value: DeltaState);
    get workRenderObject(): RenderObject;
    set workRenderObject(value: RenderObject);
    get workRenderObjectService(): any;
    set workRenderObjectService(value: any);
    constructor(name?: string, workRenderObject?: RenderObject);
    /**
     * 任务准备，进行任务开始时的初始化工作
     */
    prepare(): void;
    /**
     * 任务清楚，进行任务结束时的清理工作。
     */
    clean(): void;
    /**
     * 任务中断
     */
    interrupt(): void;
    /**
     * 任务恢复
     */
    restore(): void;
    /**
     * 任务准备，该函数被历史管理器调用
     */
    prepareByState(): void;
    /**
     * 任务清除，该函数被历史管理器调用
     */
    cleanByState(): void;
    /**
     * 任务中断，该函数被历史管理器调用
     */
    interruptByState(): void;
    /**
     * 任务恢复，该函数被历史管理器调用
     */
    restoreByState(): void;
}