code: protected void addNamespaceContext() {
          NamespaceMap prefixmap = new NamespaceMap();
          NamespacePrefixList npl = getXsd().getNamespaceContext();
          if (npl == null) {
              /* We get an NPE if we don't add this. */
              prefixmap.add("", XMLConstants.W3C_XML_SCHEMA_NS_URI);
          } else {
              for (int i = 0; i < npl.getDeclaredPrefixes().length; i++) {
                  prefixmap.add(npl.getDeclaredPrefixes()[i],
                          npl.getNamespaceURI(npl.getDeclaredPrefixes()[i]));
              }
          }
          prefixmap.add(getCOXBNamespacePrefix(), getCOXBNamespace());
          getXsd().setNamespaceContext(prefixmap);
  
      }
docs: Adds the COXB namespace and associated prefixes to the XML schema.