export declare const STATUSES: readonly ["queued", "running", "succeeded", "failed", "canceled"];
export type TaskStatus = (typeof STATUSES)[number];
export interface Task {
    id: string;
    name: string;
    queue: string;
    status: TaskStatus;
    payload: any;
    metadata: any;
    result: any | null;
    error: any | null;
    progress: number | null;
    message: string | null;
    attempt: number;
    max_attempts: number;
    priority: number;
    worker_id: string | null;
    lease_until_ms: number | null;
    run_at_ms: number;
    cancel_requested_at_ms: number | null;
    parent_id: string | null;
    root_id: string | null;
    correlation_id: string | null;
    created_at_ms: number;
    updated_at_ms: number;
    completed_at_ms: number | null;
}
export declare const TERMINAL: TaskStatus[];
export declare function rowToTask(row: Record<string, unknown>): Task;
export declare function isTerminal(task: Task): boolean;
export declare function cancelRequested(task: Task): boolean;
export declare const isQueued: (task: Task) => boolean;
export declare const isRunning: (task: Task) => boolean;
export declare const isSucceeded: (task: Task) => boolean;
export declare const isFailed: (task: Task) => boolean;
export declare const isCanceled: (task: Task) => boolean;