import { BaseBehaviorTree } from "./BaseBehaviorTree";
import { Task } from "./Task";
import { TaskStatus } from "./TaskStatus";
/**
 * This is the abstract base class of all behavior tree tasks.
 * @param T The type of the blackboard object that tasks use to read or modify game state.
 */
export declare abstract class BaseTask<T> implements Task {
    /** The status of this task. */
    private status;
    /** The guard of this task. */
    private guard?;
    /** The parent of this task. */
    private control?;
    tree?: BaseBehaviorTree<T>;
    constructor();
    getStatus(): TaskStatus;
    getObject(): T;
    setGuard(guard: Task): this;
    setControl(control: BaseTask<T>): void;
    abstract addChild(child: Task): this;
    abstract getChildCount(): number;
    abstract getChild(index: number): Task;
    checkGuard(control: Task): boolean;
    start(): void;
    end(): void;
    abstract run(): void;
    success(): void;
    fail(): void;
    running(): void;
    abstract childSuccess(runningTask: Task): void;
    abstract childFail(runningTask: Task): void;
    abstract childRunning(runningTask: Task, reporter: Task): void;
    cancel(): void;
    /** Terminates the running children of this task starting from the specified inex up to the end. */
    cancelRunningChildren(startIndex: number): void;
    /** Resets this task to make it restart from scratch on next run. */
    resetTask(): void;
    reset(): void;
}