import { type MessageResponse } from "./shared.js";
export { POSTreq_Iframe } from './iframe.js';
export declare class POSTreq {
    _iframe: HTMLIFrameElement;
    _url?: string;
    loaded: boolean;
    currentlyFetching: boolean;
    onLoad: Function;
    constructor(params?: {
        style?: string;
        url?: string;
        parentElement?: HTMLElement;
    });
    private onMessage;
    fetch(url: string, req?: RequestInit): Promise<Response | ResponseInit>;
    getPolyfill(): Function;
}
declare class Response {
    status: number;
    statusText: string;
    _json: any;
    _arrayBuffer: any;
    _formData: any;
    _blob: any;
    _text: any;
    ok: boolean;
    type: string;
    redirected: boolean;
    url: string;
    _data: MessageResponse;
    constructor(res: MessageResponse);
    /**
     * @deprecated POSTreq does not support streaming
     */
    get body(): ReadableStreamPrototype;
    get headers(): HeadersPrototype;
    get bodyUsed(): boolean;
    json(): Promise<object>;
    arrayBuffer(): Promise<ArrayBuffer>;
    formData(): Promise<FormData>;
    blob(): Promise<Blob>;
    text(): Promise<string>;
}
declare class HeadersPrototype {
    private _headers;
    constructor(headers: {
        [key: string]: string;
    });
    /**
     * @deprecated POSTreq does not support this function
     */
    append(name: string, value: string): void;
    /**
     * @deprecated POSTreq does not support this function
     */
    delete(name: string): void;
    forEach(callback: (value: string, key: string, parent: HeadersPrototype) => void, thisArg?: any): void;
    get(name: string): string | null;
    has(name: string): boolean;
    /**
     * @deprecated POSTreq does not support this function
     */
    set(name: string, value: string): void;
    entries(): [string, string][];
    [Symbol.iterator](): Iterator<[string, string]>;
    keys(): Iterator<string>;
    values(): Iterator<string>;
}
declare class ReadableStreamPrototype {
    /**
     * @deprecated POSTreq does not support this function
     */
    cancel(reason: any): Promise<void>;
    /**
     * @deprecated POSTreq does not support this function
     */
    pipeTo(writable: WritableStream, options: object): Promise<void>;
    /**
     * @deprecated POSTreq does not support this function
     */
    pipeThrough(transformStream: object, options: object): ReadableStream;
    /**
     * @deprecated POSTreq does not support this function
     */
    getReader(options: object): ReadableStreamDefaultReader;
    /**
     * @deprecated POSTreq does not support this function
     */
    tee(): [ReadableStream, ReadableStream];
    /**
     * @deprecated POSTreq does not support this function
     */
    releaseLock(): void;
    /**
     * @deprecated POSTreq does not support this function
     */
    read(view: ArrayBufferView): Promise<{
        done: false;
        value: ArrayBufferView;
    } | {
        done: true;
        value?: undefined;
    }>;
    /**
     * @deprecated POSTreq does not support this function
     */
    get locked(): boolean;
}