/**
 * Request utilities
 * Functions for parsing URLs, query parameters, and masking sensitive data
 */
/**
 * Convert string URL to HTMLAnchorElement for parsing
 * IE11 doesn't support `new URL`, so we use anchor element
 */
export declare function convertToURL(url: string): HTMLAnchorElement | null;
/**
 * Parse all query parameters from a URL into a key/value map.
 * When a key appears more than once, the last value wins.
 */
export declare function getAllQueryParams(url: string): Record<string, string>;
/**
 * Get query parameter from URL
 */
export declare function getQueryParam(url: string, param: string): string;
/**
 * Mask query parameters in URL
 */
export declare function maskQueryParams<T extends string | undefined>(url: T, maskedParams: string[] | undefined, mask: string): T extends string ? string : undefined;