import { Page, GCAPage, Dataset, Image, NavigationData, FetchByFilterParams, FetchNavigationParams, FetchProjectPropertiesParams, FetchElementParams, FSXAApi, ConnectEventStreamParams, ProxyApiFilterOptions, ProjectProperties } from '../types';
import { LogLevel } from './Logger';
import { FetchResponse } from '..';
/**
 * This class represents the functionality of the FSXA-API as a proxy.
 * To use this class, there must be an instance of FSXARemoteApi that is accessed here.
 * By using this class, no secrets are provided to the client.
 * @see FSXARemoteApi
 */
export declare class FSXAProxyApi implements FSXAApi {
    mode: 'proxy';
    private _baseUrl;
    private _method;
    private _headers;
    private _logger;
    private _enableEventStream;
    private _filterContextProvider?;
    /**
     * This method requests the current state of baseUrl
     * @param baseUrl specifies the base Url for the FSXA-Proxy-Api
     */
    get baseUrl(): string;
    /**
     * This method sets a new state of baseUrl
     * @param baseUrl specifies the base Url for the FSXA-Proxy-Api
     */
    set baseUrl(value: string);
    /**
     * Creates a new instance with the connection to the FSXARemoteAPI
     * @param baseUrl specifies the URL to communicate with
     * @param logLevel specifies the restrictions of logs which will be displayed
     * @param filterOptions optional {@link ProxyApiFilterOptions ProxyApiFilterOptions} (EXPERIMENTAL)
     */
    constructor(baseUrl: string, logLevel?: LogLevel, filterOptions?: ProxyApiFilterOptions);
    /**
     * This methods fetches a specific element by its Id and its fetch options
     * @param id specifies the element that needs to be fetched
     * @param locale specifies the language e.g. de_DE
     * @param additionalParams sets parameters for the fetching process
     * @param remoteProject specifies the remote Project
     * @param fetchOptions specifies the options for the fetching process
     * @returns a JSON from the fetched element
     */
    fetchElement<T = Page | GCAPage | Dataset | Image | any | null>({ id, locale, additionalParams, remoteProject, fetchOptions, }: FetchElementParams): Promise<T>;
    /**
     * This method fetches elements found by a specified Filter
     * @param filters specifies the filter that needs to be fetched
     * @param locale specifies the language
     * @param page specifies the page
     * @param pagesize specifies the number of pages
     * @param additionalParams specifies additional parameters for the fetching process
     * @param remoteProject specifies the remote project for the fetching process
     * @param fetchOptions specifies options in the fetching process
     * @param sort specifies the fields to sort. Default is by id descending. Multiple sortParams are possible. First parameter is prioritized over subsequent.
     * @returns a JSON from the fetched elements
     *
     * @example
     * ```
     * const response = await api.fetchByFilter({filters: [], locale: de'DE', page: 1, pagesize: 10, additionalParams: {}, remoteProject: 'my-project'})
     * ```
     */
    fetchByFilter({ filters, locale, page, pagesize, additionalParams, remoteProject, fetchOptions, sort, }: FetchByFilterParams): Promise<FetchResponse>;
    /**
     * This method fetches the navigation
     * @param initialPath to identify the navigation
     * @param locale specifies the Language
     * @param fetchOptions specifies options in the fetching Process
     * @returns a JSON from the fetching process
     */
    fetchNavigation({ initialPath, locale, fetchOptions, }: FetchNavigationParams): Promise<NavigationData | null>;
    /**
     * This method fetches Project Properties
     * @param locale specifies the language
     * @param resolver
     * @param fetchOptions specifies options in the fetching process
     * @returns a JSON from the fetching results
     */
    fetchProjectProperties({ locale, resolver, fetchOptions, }: FetchProjectPropertiesParams): Promise<ProjectProperties | null>;
    /**
     * Getter/Setter to enable the CaaS event stream
     * @returns true, if a event stream should pipe events from CaaS change events websocket
     */
    enableEventStream(enable?: boolean): boolean;
    /**
     * This method initilises an `EventSoure` pointing to the CaaS change event stream.
     * @param additionalParams sets parameters for the fetching process
     * @param remoteProject specifies the remote Project
     * @returns an EventSource
     */
    connectEventStream({ remoteProject, }?: ConnectEventStreamParams): EventSource;
    private fetch;
}