import EventEmitter from "node:events";
import type { TaskEvents, ITask, TaskStatus, TaskInputHandler } from "./interfaces/task.interface.js";
declare abstract class Task<Input, Output> extends EventEmitter<TaskEvents<Input, Output>> implements ITask {
    readonly id: string;
    status: TaskStatus;
    output: Output | undefined;
    readonly needs: Array<ITask>;
    readonly if: (() => boolean) | undefined;
    private readonly handleInput;
    protected readonly abortController: AbortController;
    constructor(props: {
        id: string;
        needs?: Array<ITask>;
        if?: () => boolean;
        handleInput: TaskInputHandler<Input>;
    });
    execute(): Promise<void>;
    abstract run(input: Input): Promise<Output>;
    isPending(): boolean;
    isInProgress(): boolean;
    isTerminated(): boolean;
    isSuccess(): boolean;
    isFailure(): boolean;
    isSkipped(): boolean;
    shouldSkip(): boolean;
    skip(): void;
    areNeedsTerminated(): boolean;
}
export { Task };
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