import { PzValidatorXSSQuery } from './types';
/**
 * Utility class for sanitizing inputs and preventing XSS attacks.
 */
export declare class PzValidatorXSS {
    /**
     * Sanitizes a query object, removing HTML tags from all string values.
     *
     * @param query - The query object to sanitize.
     * @returns A new object with sanitized values.
     */
    static validQuery(query: PzValidatorXSSQuery): PzValidatorXSSQuery;
    /**
     * Removes HTML tags from a string and trims the result.
     *
     * @param str - The string or number to sanitize.
     * @returns The sanitized string.
     */
    static validString(str: string | number): string;
}
