import { BaseTask } from "../BaseTask";
import { Task } from "../Task";
export declare class ChangeData<T, U> extends BaseTask<T> {
    private mapper;
    private mapTree;
    constructor(mapper: (dat: T) => U, rootTask: BaseTask<U>);
    addChild(child: Task): this;
    getChildCount(): number;
    getChild(index: number): Task;
    run(): void;
    childSuccess(runningTask: Task): void;
    childFail(runningTask: Task): void;
    childRunning(runningTask: Task, reporter: Task): void;
}