/**
 * `resumePoint`: where a run picks up from its journal, or why it may not.
 *
 * It is the runner's own reading, shared by a real resume and a dry run's
 * `from: journal`, so a resume can be tried offline and read the same. The
 * walk itself decides what runs, visit by visit, from the {@link Replay};
 * `from` only says, for whoever asked, the first visit in the order of the
 * file that did not end.
 */
import type { CheckedFlow } from "../checked.ts";
import type { JournalEntry } from "./journal.ts";
import { Replay } from "./replay.ts";
/**
 * Where a run picks up: `from`, the first visit that did not end, `""` when
 * every root node did, and what the walk replays; or why it may not resume.
 */
export type ResumePoint = {
    readonly ok: true;
    readonly from: string;
    readonly replay: Replay;
} | {
    readonly ok: false;
    readonly refused: string;
};
/**
 * Where the run of `checked` that wrote `journal` picks up. A run that ended
 * well has nothing left; one that failed by a decision of the flow would
 * fail the same. A journal naming a visit the flow has not was written by
 * another flow.
 */
export declare function resumePoint(checked: CheckedFlow, journal: readonly JournalEntry[]): ResumePoint;
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