export interface AjaxOption {
    silent?: boolean;
    [propName: string]: any;
}
export default class Ajax {
    setHeaders(headers: object): void;
    beforeSend(options?: AjaxOption): AjaxOption | undefined;
    beforeSuccess(data: any, options?: AjaxOption): any;
    request(url: string, options?: AjaxOption): Promise<any>;
    post(url: string, data?: any, options?: AjaxOption): Promise<any>;
    get(url: string, data?: any, options?: AjaxOption): Promise<any>;
    put(url: string, data?: any, options?: AjaxOption): Promise<any>;
    delete(url: string, data?: any, options?: AjaxOption): Promise<any>;
}