return namespace;
            }
            return "http://crawler.codelibs.org/namespace/" + prefix;
        }

        @Override
        public Iterator<String> getPrefixes(final String val) {
            return null; // not used
        }

        @Override
        public String getPrefix(final String uri) {
            return null; // not used
        }
    }

  </mime-type>
  <mime-type type="application/dita+xml;format=val">
    <sub-class-of type="application/dita+xml"/>
    <_comment>DITA Conditional Processing Profile</_comment>
    <root-XML localName="val"/>
    <root-XML localName="val" namespaceURI="http://docs.oasis-open.org/namespace"/>
    <glob pattern="*.ditaval"/>
  </mime-type>