/**
 * Validates if a string is a valid UUID v4
 * @param {string} uuid The string to validate
 * @returns {boolean} True if valid UUID, false otherwise
 */
export declare const isValidUUID: (uuid: string) => boolean;
/**
 * Validates if a string contains path traversal attempts
 * @param {string} path The string to validate
 * @returns {boolean} True if path traversal detected, false otherwise
 */
export declare const isPathTraversal: (path: string) => boolean;