/** Check two `Request` fields equality.
 *
 * @example
 * ```ts
 * import { equalsRequest } from "https://deno.land/x/http_utils@$VERSION/request.ts";
 * import { assert } from "https://deno.land/std/testing/asserts.ts";
 *
 * declare const url: URL;
 *
 * assert(
 *   equalsRequest(
 *     new Request(url, { method: "HEAD" }),
 *     new Request(url, { method: "HEAD" }),
 *   ),
 * );
 * ```
 *
 * @deprecated Move to [request-utils](https://github.com/httpland/request-utils).
 */
export declare function equalsRequest(left: Request, right: Request): boolean;
/** Strict check two `Request` fields equality.
 *
 * @example
 * ```ts
 * import { equalsRequest } from "https://deno.land/x/http_utils@$VERSION/request.ts";
 * import { assert } from "https://deno.land/std/testing/asserts.ts";
 *
 * declare const url: URL;
 *
 * assert(
 *   await equalsRequest(
 *     new Request(url, { body: "", method: "POST" }),
 *     new Request(url, { body: "", method: "POST" }),
 *     true,
 *   ),
 * );
 * ```
 *
 * @throws {Error} If the request has already been read.
 */
export declare function equalsRequest(left: Request, right: Request, strict: boolean): Promise<boolean> | boolean;
/** Whether the input is `Request` or not.
 *
 * ```ts
 * import { isRequest } from "https://deno.land/x/http_utils@$VERSION/request.ts";
 * import { assertEquals } from "https://deno.land/std@$VERSION/testing/asserts.ts";
 *
 * assertEquals(isRequest(new Request("http://localhost")), true);
 * assertEquals(isRequest({}), false);
 * assertEquals(isRequest(null), false);
 * ```
 *
 * @deprecated Move to [request-utils](https://github.com/httpland/request-utils).
 */
export declare function isRequest(input: unknown): input is Request;