/**
 * @fileoverview Helpers for `performUninstall`: what it found before removing,
 *   progress reporting that cannot change the outcome, record comparison, and
 *   the parked-leftover warnings.
 * @module @skillsmith/core/services/skill-installation.uninstall.helpers
 *
 * Split out of `skill-installation.uninstall.ts` in SMI-6529 round 25, when
 * that file reached 504 lines against the 500-line standard — the same
 * sibling-split convention as `skill-installation.io.ts`. These are the pieces
 * `performUninstall` calls but does not itself define; nothing here is part of
 * `@skillsmith/core`'s public export surface.
 */
import type { Stats } from 'fs';
import type { ProgressCallback, SkillManifestEntry } from './skill-installation.types.js';
/**
 * SMI-6529 round 15 (cross-model review, Critical): what uninstall found at
 * `installPath` before removing it. A folder with `.git` at its root is a git
 * working tree, which git owns (ADR-155), so it is refused with or without
 * `force`: deleting it would take unpushed commits and uncommitted edits with
 * it. A symlink or a file needs no such check, since removing it leaves what
 * it points at alone. Returns the entry's identity (null when nothing is
 * there), so the delete can confirm it is still the same entry.
 */
export declare function inspectForRemoval(installPath: string): Promise<{
    stat: Stats | null;
} | {
    refusal: string;
}>;
/**
 * Report progress without letting a caller's listener change the outcome.
 * Round 18 (cross-model review): a listener that threw after the folder was
 * already removed reached the generic catch, which reported neither what had
 * been removed nor what was left parked.
 *
 * Round 28 (pre-merge gate, PR-07): the failure is still swallowed as far as
 * the uninstall's outcome goes — that part was deliberate and stays — but it
 * is no longer swallowed as far as the USER goes. It is pushed onto
 * `problems`, which the caller surfaces alongside its other warnings. An empty
 * catch here was the same "could not tell" silence this wave removed
 * everywhere else, in the one place that reports to the user for a living.
 */
export declare function notify(onProgress: ProgressCallback, problems: string[], ...args: Parameters<ProgressCallback>): void;
/**
 * Whether `entry` is still, field for field, the record this uninstall
 * loaded. Round 18 (cross-model review): timestamps alone are not a unique
 * generation token — two installs can share a millisecond, an older writer
 * can omit them, and a copied record keeps them — so every field has to
 * match. An install that claims the same name writes its own values, so any
 * difference means a different generation. A durable generation id belongs
 * with A1's manifest work (SMI-6531).
 */
export declare function sameRecord(entry: SkillManifestEntry, loaded: SkillManifestEntry): boolean;
/**
 * Warnings naming anything an earlier removal left parked next to
 * `installPath`. Round 17 (cross-model review): every exit after the removal
 * reports these, not only the successful one.
 */
export declare function parkedWarnings(installPath: string): Promise<string[]>;
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