import { LeafTask } from "../base";
import { TaskStatus } from "../TaskStatus";
declare type ActionTaskStart<T> = (data: T) => void;
declare type ActionTaskExecute<T> = (data: T) => TaskStatus;
export declare class ActionTask<T> extends LeafTask<T> {
    private startFn?;
    private executeFn;
    constructor(fn: {
        start?: ActionTaskStart<T>;
        execute: ActionTaskExecute<T>;
    });
    start(): void;
    execute(): TaskStatus;
}
export {};