import { type Response, type RequestInfo, type RequestInit } from 'undici';
import type { TokenType } from '../../../auth/definitions';
/**
 * Sends request using undici and returns a response. When a `tokenType` is
 * passed, automatically injects an `authorization: Bearer <token>` header
 * obtained via {@link getBearerToken}. Any headers already present on
 * `options.headers` are preserved.
 * @internal
 */
export declare function dtFetch(url: RequestInfo, options?: RequestInit, tokenType?: TokenType): Promise<Response>;