/**
 * Utility class for managing URL parameters in web applications.
 * Provides methods to parse, update, and retrieve URL search parameters with support for multiple values.
 *
 * @class URLParamsUtils
 */
export declare class URLParamsUtils {
    /**
     * Parses URLSearchParams into a more convenient format that supports multiple values for the same key.
     * Converts multiple parameters with the same key into an array.
     *
     * @static
     * @param {URLSearchParams} searchParams - The URLSearchParams object to parse
     * @returns {Record<string, string | string[]>} Object with parameter names as keys and values as strings or arrays
     *
     * @example
     * ```typescript
     * // URL: ?color=red&color=blue&size=large
     * const params = new URLSearchParams('color=red&color=blue&size=large');
     * const parsed = URLParamsUtils.parseSearchParams(params);
     * // Result: { color: ['red', 'blue'], size: 'large' }
     * ```
     */
    static parseSearchParams(searchParams: URLSearchParams): Record<string, string | string[]>;
    /**
     * Updates the current page URL with new parameters without causing a page reload.
     * Supports multiple values for the same parameter key.
     *
     * @static
     * @param {Record<string, string | string[]>} params - Object with parameter names and values to set
     *
     * @example
     * ```typescript
     * // Update URL with single and multiple values
     * URLParamsUtils.updateURL({
     *   category: 'electronics',
     *   color: ['red', 'blue'],
     *   price: '100'
     * });
     * // URL becomes: ?category=electronics&color=red&color=blue&price=100
     * ```
     *
     * @example
     * ```typescript
     * // Clear all parameters by passing empty object
     * URLParamsUtils.updateURL({});
     * // URL becomes: current-path (no query string)
     * ```
     */
    static updateURL(params: Record<string, string | string[]>): void;
    /**
     * Gets the current URL parameters parsed into a convenient format.
     * Returns an empty object when running in server-side environment.
     *
     * @static
     * @returns {Record<string, string | string[]>} Object with current URL parameters
     *
     * @example
     * ```typescript
     * // Current URL: ?category=electronics&color=red&color=blue
     * const params = URLParamsUtils.getURLParams();
     * // Result: { category: 'electronics', color: ['red', 'blue'] }
     * ```
     *
     * @example
     * ```typescript
     * // Server-side usage
     * const params = URLParamsUtils.getURLParams();
     * // Result: {} (empty object)
     * ```
     */
    static getURLParams(): Record<string, string | string[]>;
}