export declare function repoIdKeyPath(home?: string): string;
/** Hook-safe: no I/O beyond reading an existing key file. */
export declare function repoIdFromRootSync(root: string, options?: {
    homedir?: string | undefined;
}): string | null;
export declare function repoIdFromRoot(root: string, options?: {
    homedir?: string | undefined;
}): Promise<string>;
/** Creates `~/.auden/repo-id-key` when missing so hooks can stamp `repoId` before the first sync. */
export declare function ensureRepoIdKey(home?: string): Promise<void>;
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