import { HttpErrorResponse } from '@angular/common/http';
import { EventEmitter } from '@angular/core';
import { TranslateService } from '@ngx-translate/core';
import { Observable } from 'rxjs';
import 'rxjs/add/operator/catch';
import 'rxjs/add/operator/map';
import { NotificationService } from '../../notification';
import { EnvironmentService } from '../../services/environment.service';
export declare class ErrorService {
    private readonly notificationService;
    private readonly translate;
    unauthorizedError$: EventEmitter<void>;
    /**
     * This variable defines, if the notification is needed.
     */
    private readonly showNotifications;
    /**
     * The title of the common error. It stores the translated value.
     */
    private commonErrorTitle;
    /**
     * The message of the common error. It stores the translated value.
     */
    private commonErrorMessage;
    /**
     * The messages of the errors. It stores the translated values.
     */
    private readonly errors;
    constructor(environmentService: EnvironmentService, notificationService: NotificationService, translate: TranslateService);
    /**
     * This function also can be used by 3rd party plugins, to handle the core's response transformer's errors. Typical .catch() handler.
     * @param errorResponse The Response, that contains the errors.
     * @param caught The error object?
     */
    errorHandling<T>(errorResponse: HttpErrorResponse, caught?: Observable<T>): Observable<T>;
    /**
     *  Sends a common error notification.
     *
     * @memberof ErrorService
     */
    commonoError(): void;
    /**
     * This function populates the error messages and arrays with the translations.
     */
    setTranslations(): void;
    private backendErrorHandling;
    private errorStatusHandling;
}