docs: protected void handleInboundMessageProperties(final MessageContext messageContext,
                                                    final SoapMessage message) {
          if (messageContext == null) { return; }
          
          final String[] propertyNames = messageContext.getPropertyNames();
          if (propertyNames != null) {
              for (final String propertyName : propertyNames) {
                  message.setHeader(propertyName, messageContext.getProperty(propertyName));
              }
          }
      }