export interface IHybridSocket { once(evt: 'close', listener: () => void): void; on(evt: 'error', listener: () => void): void; on(evt: 'message', listener: (msg: any) => void): void; emit(evt: 'close'): void; close(): void; send(msg: any, options?: BufferEncoding, listener?: (err?: Error) => void): void; }