method ClientHttp2Session.addListener
ClientHttp2Session.addListener(event: "altsvc",listener: (alt: string,origin: string,stream: number,) => void,): thisClientHttp2Session.addListener(event: "connect",listener: (session: ClientHttp2Session,socket: net.Socket | tls.TLSSocket,) => void,): thislistener: (session: ClientHttp2Session,socket: net.Socket | tls.TLSSocket,) => voidthis