export type ActorRegistryRecord = Record<string, unknown> & {
    id: string;
};
export declare const isActorRegistryRecord: (entry: unknown) => entry is ActorRegistryRecord;
/** Disk protocol shared by registry merges and fenced lineage adoption. */
export declare class ActorRegistryStore {
    #private;
    constructor(actorRoot: string);
    /**
     * Every entry in actors.json, including entries without a valid identity, so
     * a rewrite can keep them. A missing file reads as empty; any other read or
     * parse failure throws ActorStoreReadError, and callers must not write.
     */
    entries(): unknown[];
    /** The entries that carry a string id. Throws like entries(). */
    records(): ActorRegistryRecord[];
    /** The callback must be synchronous: release precedes promise assimilation. */
    withLock<T>(operation: () => T, signal?: AbortSignal): Promise<T>;
    fingerprint(): string | undefined;
    read(): unknown;
    /** Call within withLock for read-modify-write operations. */
    write(actors: readonly unknown[]): void;
}
//# sourceMappingURL=registry-store.d.ts.map