/** Verifies an existing project directory without following symlink ancestors. */
export declare function assertCanonicalProjectDirectory(projectRoot: string, directory: string): Promise<void>;

declare type DirectoryReplacementOptions = Readonly<{
    label: string;
    journalSuffix: string;
    backupSuffix: string;
    stagingPrefix: string;
}>;

/** Creates a confined project directory one canonical segment at a time. */
export declare function ensureCanonicalProjectDirectory(projectRoot: string, directory: string): Promise<void>;

/** Recovers a journaled directory swap after process interruption. */
export declare function recoverDirectoryReplacement(output: string, options: DirectoryReplacementOptions): Promise<void>;

/** Replaces one directory with a durable journal and recoverable backup. */
export declare function replaceDirectoryTransactionally(staging: string, output: string, options: DirectoryReplacementOptions): Promise<void>;

export { }