import { RequestBody } from './StorageService.js';
declare type APIResult = {
    body: any;
    type: 'success';
} | {
    type: 'error';
};
export default class ErrorHandlerService {
    private static res;
    static fetchDB(body: RequestBody, successMessage?: string): Promise<any>;
    static fetchAPI(): Promise<APIResult>;
}
export {};