import type { KeyValue } from './types.js';
/**
 * URL query string building and validation for outbound HTTP requests.
 */
export interface IQueryString {
    /**
     * Appends enabled query parameters to a base URL.
     *
     * @param baseUrl - Request URL before query string merging.
     * @param params - Key-value pairs to append as search params.
     */
    buildUrl(baseUrl: string, params: KeyValue[]): string;
    /**
     * Returns whether a URL is safe to send via fetch: absolute http(s) or root-relative path.
     *
     * @param url - Request URL before or after query string merging.
     */
    isValidRequestUrl(url: string): boolean;
}
//# sourceMappingURL=IQueryString.d.ts.map