/**
 * Split `domain://path` into domain and path parts.
 * Throws UserError if the format is invalid.
 */
export declare function parseUri(uri: string): {
    domain: string;
    path: string;
};
/**
 * Convert domain and path to a relative file path under memory-bank/.
 */
export declare function uriToRelPath(domain: string, path: string): string;
/**
 * Validate a memory URI format without throwing.
 */
export declare function validateUri(uri: string): boolean;