import { Context } from "../persistence/Context";
import { TaskFlags } from "./types";
import { TaskLogger } from "./logging";
export declare class TaskContext extends Context<TaskFlags> {
    get taskId(): string;
    get logger(): TaskLogger<any>;
    get pipe(): any;
    flush(): Promise<void>;
    get attempt(): number;
    get progress(): (data: any) => Promise<void>;
    get heartbeat(): () => Promise<void>;
    cacheResult(taskId: string, payload: any): void;
    get resultCache(): Record<string, any> | undefined;
    constructor(ctx?: Context<any>);
}