@Override
  public void handshakeIfSocketIsSSL(Socket socket, int timeout) throws IOException {
    if (useSSL()) {
      throw new IllegalStateException("Handshake on SSL connections is not supported");
    }
  }
AdvancedSocketCreatorImpl is constructed and held by a TcpSocketCreator. It is
accessed through the method {@link TcpSocketCreator#forAdvancedUse()}.
geode-tcp-server/src/main/java/org/apache/geode/distributed/internal/tcpserver/AdvancedSocketCreatorImpl.java