OpcUaServerBuilder setPassword(final String password) {
    this.password = password;
    return this;
  }
OPC UA Server builder for IoTDB to send data. The coding style referenced ExampleServer.java in
Eclipse Milo.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/connector/protocol/opcua/OpcUaServerBuilder.java