import type { AbsoluteMiddlewareOptions, FinalizeHandler, SerializeHandler } from '@byu-oit-sdk/middleware-stack';
import { Command } from './Command.js';
/**
 * Wraps the Fetch Request class with a Command.
 */
export declare class FetchCommand<Context extends object = object> extends Command<Request, Response, Context> {
    constructor(url: string | URL | Request, options?: RequestInit);
}
/**
 * The default serializer for passing the input and output through to the request and
 * response properties respectively on the middleware handler argument object.
 *
 * @param next - The next middleware to invoke in the middleware stack.
 * @returns A serialize middleware handler {@link
  * @byu-oit-sdk/middleware-stack#SerializeHandler | as defined in the Middleware
   * Stack module}.
 */
export declare function FetchTransformer(next: FinalizeHandler<Request, Response>): SerializeHandler<Request, Response>;
export declare const FetchTransformerOptions: AbsoluteMiddlewareOptions;