export default class BasicRequestUtil {
    static fetchPost: (fullUrl: string, param: any, { headers }?: {
        headers: {};
    }) => Promise<unknown>;
    static fetchGet: (fullUrl: string, param: any, { headers }?: {
        headers: {};
    }) => Promise<unknown>;
    static _fetch: (method: string, fullUrl: string, param: any, { headers }?: {
        headers: {};
    }) => Promise<unknown>;
    static xmlHttpRequestPost: (fullUrl: string, param: any, { headers, onProgress }?: {
        headers: {};
        onProgress: (_e: any) => void;
    }) => Promise<unknown>;
    static xmlHttpRequestGet: (fullUrl: string, param: any, { headers, onProgress }?: {
        headers: {};
        onProgress: (_e: any) => void;
    }) => Promise<unknown>;
    static _xmlHttpRequest: (method: string, fullUrl: string, param: any, { headers, onProgress }?: {
        headers: {};
        onProgress: (_e: any) => void;
    }) => Promise<unknown>;
    static getUploadFileContentType: (fileType: string) => any;
    static getBase64ViaXHR: (remoteImageUrl: string, callback: any) => void;
    static getBase64ViaImg: (remoteImageUrl: string, callback: any) => void;
}