import { Events } from '../shared/utils';
import { ReconnectionState } from '../features';
export interface WebSocketClientOptions {
    url: string;
    autoReconnect?: boolean;
    maxReconnectAttempts?: number;
    reconnectInterval?: number;
    pingInterval?: number;
    pingTimeout?: number;
}
export type ChannelHandler = (data: any) => void;
export declare class WebSocketClient extends Events {
    private connectionManager;
    private reconnectionStrategy;
    private reconnectionState;
    private subscriptions;
    private pendingSubscriptions;
    private clientId;
    private options;
    constructor(options: WebSocketClientOptions);
    private setupEventHandlers;
    private handleMessage;
    private connect;
    private reconnect;
    private processPendingSubscriptions;
    private subscribeToChannel;
    subscribe(channel: string, filterOptions?: string[] | ChannelHandler, handler?: ChannelHandler): boolean;
    unsubscribe(channel: string): boolean;
    disconnect(): void;
    isConnected(): boolean;
    getClientId(): string | null;
    getConnectionState(): ReconnectionState;
}