import { Ref } from 'vue-demi';
export interface ISocketOptions {
    protocols?: string | string[];
    heartTime?: number;
    heartMessage?: string;
    autoClose?: boolean;
    isReconnect?: boolean;
    reconnectTime?: number;
    reconnectCount?: number | (() => boolean);
    onOpen?: (ws: WebSocket) => void;
    onClose?: (ws: WebSocket, e: CloseEvent) => void;
    onMessage?: (ws: WebSocket, e: MessageEvent) => void;
    beforeMessage?: (e: MessageEvent) => any;
    onError?: (ws: WebSocket, e: Event) => void;
    onFailed?: () => void;
}
export interface ISocketReturn<T> {
    data?: Ref<T | null>;
    close: WebSocket['close'];
    websocketOpen: () => void;
    send: (data: string | ArrayBuffer | Blob, useBuffer?: boolean) => boolean;
    ws: Ref<WebSocket | undefined>;
}
export declare const useWebSocket: <Data = any>(url: string, options?: ISocketOptions) => ISocketReturn<Data>;