import { Observable } from 'rxjs';
import WebSocket from 'ws';
import { FilesApi } from './rest-sdk';
export declare class FilesRestSdkService {
    private options?;
    private filesApi?;
    private filesApiAxios?;
    private wsHeaders;
    constructor(options?: {
        serverUrl?: string;
        headers?: Record<string, string>;
    } | undefined);
    getFilesApi(): FilesApi;
    updateHeaders(headers: Record<string, string>): void;
    webSocket<T>({ path, eventName, options, }: {
        path: string;
        eventName: string;
        options?: WebSocket.ClientOptions;
    }): Observable<{
        data: T;
        event: string;
    }>;
    private createApiClients;
}