import { type HybridObject } from 'react-native-nitro-modules';
export type WebSocketReadyState = 'CONNECTING' | 'OPEN' | 'CLOSING' | 'CLOSED';
export interface HybridWebSocketMessageEvent {
    data: ArrayBuffer;
    isBinary: boolean;
}
export interface WebSocketCloseEvent {
    code: number;
    reason: string;
    wasClean: boolean;
}
export interface HybridWebSocket extends HybridObject<{
    ios: 'c++';
    android: 'c++';
}> {
    readonly readyState: WebSocketReadyState;
    readonly url: string;
    readonly bufferedAmount: number;
    readonly protocol: string;
    readonly extensions: string;
    connect(url: string, protocols: string[], headers: Record<string, string>): void;
    close(code: number, reason: string): void;
    send(data: string): void;
    sendBinary(data: ArrayBuffer): void;
    onOpen: (() => void) | undefined;
    onMessage: ((event: HybridWebSocketMessageEvent) => void) | undefined;
    onClose: ((event: WebSocketCloseEvent) => void) | undefined;
    onError: ((error: string) => void) | undefined;
}
export declare const createWebSocket: () => HybridWebSocket;