import { ReadyState } from './constants';
export interface Options {
    onOpen?: (event: WebSocketEventMap['open']) => void;
    onClose?: (event: WebSocketEventMap['close']) => void;
    onMessage?: (event: WebSocketEventMap['message']) => void;
    onError?: (event: WebSocketEventMap['error']) => void;
    filter?: (message: WebSocketEventMap['message']) => boolean;
    reconnectOnClose?: (event: WebSocketEventMap['close']) => boolean;
    reconnectOnError?: (event: WebSocketEventMap['error']) => boolean;
    reconnectInterval?: number;
    reconnectAttempts?: number;
}
export declare type MessageType = string | ArrayBuffer | SharedArrayBuffer | Blob | ArrayBufferView;
export declare type SendMessage = (message: MessageType) => void;
export declare type StartWebSocket = () => void;
export declare type CloseWebSocket = () => void;
export interface ReadyStateState {
    [url: string]: ReadyState;
}