/**
 * Stage a built-in connector's shipped payload into `store/<generation>/<name>` and return that
 * stable path (the spec `ext add` installs from). Idempotent: an intact prior copy is reused unless
 * `force` re-materializes it (a `--force`/`--reset` repair). The copy is staged into a sibling temp
 * dir and renamed into place, so a crash mid-copy never leaves a half-written payload at the final
 * path for a later run to `ext add` from.
 */
export declare function stageSeedPayload(generation: string, name: string, opts?: {
    force?: boolean;
}): string;
/**
 * GC seed-store generations other than `keepGeneration`, but ONLY those no live manifest entry still
 * installs from (its normalized `file:` spec points under the generation dir). This is the commit
 * predicate: a prior generation is removed only after every seeded entry has been re-added from the
 * new one, so a running manager never loses the bytes its connectors resolve.
 */
export declare function gcSeedStore(keepGeneration: string, referencedSpecs: readonly string[]): void;
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