type FetchFunction = typeof globalThis.fetch;
type FetchArguments = Parameters<FetchFunction>;
type FetchHandlerResult = Response | number | void | null | undefined;
type FetchHandler = (request: Request, fetch: FetchFunction) => FetchHandlerResult | Promise<FetchHandlerResult>;
export interface FetchMock {
    /** Handle requests a specific method and path with the specified handler callback */
    on(method: string, path: string | RegExp, handler: FetchHandler): this;
    /** Handle all requests with the specified handler callback */
    handle(handler: FetchHandler): this;
    /** Intercept mocked requests with an interceptor */
    intercept(): () => Promise<DeferredRequest>;
    /** Reset all handlers and interceptors for this instance */
    reset(): this;
    /** Install this instance as the global `fetch` mock handler */
    install(): this;
    /** Ensure that the mocked `fetch` is restored to its original value */
    destroy(): void;
}
export interface FetchMockConstructor {
    /**
     * Create a new {@link FetchMock} instance, optionally resolving relative
     * request URLs against the specified _base url_.
     */
    new (baseurl?: string | URL | undefined): FetchMock;
}
export declare const FetchMock: FetchMockConstructor;
/**
 * A `DeferredRequest` is an utility class deferring the `Response` sent for
 * an _intercepted_ `Request`.
 */
export interface DeferredRequest extends Readonly<Request> {
    /** Fail the `Request` with an optional `Error` */
    readonly fail: (error?: Error) => void;
    /** Respond to this intercepted request with a _real_ `fetch` request */
    readonly fetch: (...args: FetchArguments) => void;
    /** Respond to the `Request` with an optional `Response` (defaults to an empty 200 `Response`) */
    readonly send: (response?: Response | PromiseLike<Response>) => void;
    /** Respond to the `Request` with the specified status and an empty body */
    readonly sendStatus: (status: number) => void;
    /** Respond to the `Request` with the specified JSON body and an optional status */
    readonly sendJson: (json: any, status?: number) => void;
    /** Respond to the `Request` with the specified text body and an optional status */
    readonly sendText: (text: string, status?: number) => void;
    /** Respond to the `Request` with the specified binary body and an optional status */
    readonly sendData: (data: Uint8Array, status?: number) => void;
}
/** Create a `Response` with the specified status and an empty body */
export declare function sendStatus(status: number, statusText?: string | undefined): Response;
/** Create a `Response` with the specified text body and an optional status */
export declare function sendText(text: string, status?: number): Response;
/** Create a `Response` with the specified JSON body and an optional status */
export declare function sendJson(data: unknown, status?: number): Response;
/** Create a `Response` with the specified binary body and an optional status */
export declare function sendData(data: Uint8Array, status?: number): Response;
export {};