/**
 * Seed a new worktree's index from a sibling checkout
 * (change: seed-worktree-index-from-sibling-checkout).
 *
 * `.openlore/` is gitignored, so a new git worktree starts with no index, and its first call
 * could only say "a build has started". The main checkout next door usually holds a current
 * index of nearly the same code. This copies that index in, verified, so the first call
 * answers; a background rebuild then reuses the copied per-file memo in `call-graph.db`.
 *
 * What makes a copy safe to serve:
 *   - The sibling shares this checkout's git common directory, so it is the same repository.
 *   - No build owns the sibling, and its generation manifest is a published one.
 *   - Only known artifact names are copied, never a symlink or a special file, and never the
 *     sibling's runtime state (locks, stamps, progress), which lives outside the analysis dir.
 *   - The COPY is verified, not the source: its digests match the manifest and its edge store
 *     reconciles `healthy` against its attestation. The source is re-checked after the copy,
 *     so a writer that moved underneath it voids the seed.
 *   - The verified set is published by one directory rename, so a reader never sees a part.
 *
 * Any refusal leaves this checkout untouched, and the caller starts the ordinary cold build.
 */
export type SeedResult = {
    state: 'seeded';
    source: string;
    generationId: string;
} | {
    state: 'not-seeded';
    reason: string;
};
/**
 * Seed `directory`'s index from a sibling checkout of the same repository, when it has none.
 *
 * The caller applies the auto-init opt-outs first. Never throws: every refusal is a
 * `not-seeded` result, and the caller then starts the ordinary cold build.
 */
export declare function seedFromSiblingCheckout(directory: string): Promise<SeedResult>;
/**
 * Is `directory` still serving the generation it was seeded with? True from the seed until
 * the rebuild publishes its own generation.
 */
export declare function servingSeededIndex(directory: string): Promise<boolean>;
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