@Override
    public PingSession newPingSession(Long id, Header header) {
        Objects.requireNonNull(header, "header");
        Objects.requireNonNull(id, "transport");

        PingSession pingSession = new PingSession(id, nextSessionId(), header);
        pingSessionRegistry.add(pingSession);

        return pingSession;
    }
@author Woonduk Kang(emeroad)
@author jaehong.kim
collector/src/main/java/com/navercorp/pinpoint/collector/grpc/lifecycle/DefaultPingEventHandler.java