export declare class URLRequest extends Object {
    private static kInvalidParamError;
    private _url;
    private _data;
    constructor(url?: string);
    get url(): string;
    set url(param1: string);
    get data(): Object;
    set data(value: Object);
    get method(): string;
    set method(value: string);
    private setMethod;
    get contentType(): string;
    set contentType(param1: string);
    get requestHeaders(): any[];
    set requestHeaders(value: any[]);
    private setRequestHeaders;
    private filterRequestHeaders;
    get digest(): string;
    set digest(param1: string);
    useRedirectedURL(param1: URLRequest, param2?: boolean, param3?: any, param4?: string): void;
    private shouldFilterHTTPHeader;
}