import type { Dictionary } from '@empathyco/x-utils';
/**
 * Formats a response object to JSON.
 *
 * @remarks If the `response.ok` is falsy, a `RequestError` object is thrown.
 *
 * @param response - The response to convert to JSON format.
 * @returns - The resultant promise of formatting the response to JSON.
 *
 * @public
 */
export declare function toJson(response: Response): Promise<any>;
/**
 * Builds a URL object based on the passed endpoint and the request parameters.
 *
 * @param endpoint - The endpoint.
 * @param params - The request parameters.
 *
 * @returns The `href` property of the newly built `URL` object.
 *
 * @public
 */
export declare function buildUrl(endpoint: string, params?: Dictionary<unknown>): URL['href'];