/**
 * Cleanup — scratch pruning (--scratch): stale taskdev handoff files and
 * abandoned loop state, plus the shared remove/report and size helpers.
 * Extracted from cleanup.ts.
 */
/** A single stale-scratch candidate returned by {@link findStaleScratch}. */
export interface StaleScratchItem {
    path: string;
    description: string;
    size: number;
}
/**
 * Find stale mastermind scratch under `.monomind/taskdev/` and `.monomind/loops/`.
 * Exported for tests. Never returns `progress.md` (the taskdev recovery ledger),
 * directories, or loop JSON it cannot parse — deleting the unclassifiable loses data.
 *
 * A loop JSON is only ever classified as abandoned when it has a real, positive,
 * numeric `nextRunAt` timestamp that is more than a day in the past. Live producers
 * write `nextRunAt: 0` (real /do loops) or `nextRunAt: null` (dashboard) — those,
 * along with missing/non-numeric values, are never eligible for deletion regardless
 * of `status`, since a crashed daemon can leave a stale `status: 'running'` behind.
 */
export declare function findStaleScratch(cwd: string, now: number): StaleScratchItem[];
/**
 * Report (dry run) or delete a batch of file/dir items, printing the same
 * `[would remove]` / `[removed]` / `[failed]` lines used across cleanup modes.
 * Shared by the scratch branch; the main artifact loop keeps its own copy
 * because of the `--keep-config` `.claude/settings.json` preservation special case.
 */
export declare function removeOrReport(cwd: string, items: {
    path: string;
    description: string;
    size: number;
    type: 'dir' | 'file';
}[], dryRun: boolean): {
    removed: number;
    removedSize: number;
};
/**
 * Format bytes into a human-readable string
 */
export declare function formatSize(bytes: number): string;
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