import type { JobsPort } from "../../app/ports/jobs-port.js";
import { type ArtifactPage, type ArtifactPagerSource } from "./artifact-pager-source.js";
export interface JobTailSourceOptions {
    readonly jobs: JobsPort;
    readonly jobId: string;
    readonly stream?: "stdout" | "stderr";
    readonly pageBytes?: number;
}
/**
 * Live view over a background job's output.
 *
 * Bytes are never buffered: every read is one stat plus one bounded page read
 * straight off the artifact file, and the path is re-resolved each time so a
 * rotation to `<artifact>.N` is followed without restarting the view. Updates
 * are driven by the job manager's existing change stream, which is already
 * coalesced to a few notifications per second, so following adds no timer.
 */
export declare function createJobTailPagerSource(options: JobTailSourceOptions): ArtifactPagerSource | undefined;
export declare function jobTailTitle(command: string, live: boolean): string;
export declare function isLiveJobStatus(status: string): boolean;
export type { ArtifactPage };