private static LoggingSession createLoggingSession() {
    return NullLoggingSession.create();
  }
Provides synchronization for {@link #connect()} and {@link #disconnect()}. {@link #thisAdminDS}
is also now protected by CONNECTION_SYNC and has its lifecycle properly tied to
connect/disconnect.
geode-core/src/main/java/org/apache/geode/admin/internal/AdminDistributedSystemImpl.java