code: protected CmsPair<String, String> parseParameter(CmsObject cms, I_CmsXmlContentValueLocation valueLocation) {
  
          String key = valueLocation.getSubValue("Key").asString(cms);
          String value = valueLocation.getSubValue("Value").asString(cms);
          return CmsPair.create(key, value);
      }
docs: Parses a request parameter for the JSP from the XML content.<p>
  
  @param cms the current CMS context
  @param valueLocation the location from which to parse the parameter
  
  @return the parsed parameter key/value pair