/** Disk protocol shared by registry merges and fenced lineage adoption. */
export declare class ActorRegistryStore {
    #private;
    constructor(actorRoot: string);
    records(): Array<Record<string, unknown> & {
        id: string;
    }>;
    /** The callback must be synchronous: release precedes promise assimilation. */
    withLock<T>(operation: () => T): Promise<T>;
    fingerprint(): string | undefined;
    read(): unknown;
    /** Call within withLock for read-modify-write operations. */
    write(actors: readonly Record<string, unknown>[]): void;
}
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