import { HttpInterceptor, HttpInterceptorFunction, HttpInterceptorInterface } from '../contract';
/**
 * Check if given interceptor is functional interceptor.
 *
 * @internal
 */
export declare function isHttpInterceptorFunction<T = unknown>(interceptor: HttpInterceptor<T>): interceptor is HttpInterceptorFunction<T>;
/**
 * Convert functional interceptor to object-oriented interceptor in order
 * to simplify implementation of http client when using interceptors.
 *
 * @internal
 */
export declare function convertInterceptor(interceptor: HttpInterceptor): HttpInterceptorInterface;