// Javadoc inherited.
 public int getIndex(String qName) {
   int index = container.getIndex(offset, length, qName);
   // If the attribute was found, i.e. index is greater than or equal to
   // 0 then make it relative to the window by subtracting the offset.
   if (index >= 0) {
     index -= offset;
   }
   return index;
 }
 // Javadoc inherited.
 public String getValue(int index) {
   return container.getValue(offset + index);
 }
 // Javadoc inherited.
 public String getLocalName(int index) {
   return container.getLocalName(offset + index);
 }
 // Javadoc inherited.
 public String getURI(int index) {
   return container.getURI(offset + index);
 }
 // Javadoc inherited.
 public String getValue(String qName) {
   return container.getValue(offset, length, qName);
 }
 // Javadoc inherited.
 public String getValue(String uri, String localName) {
   return container.getValue(offset, length, uri, localName);
 }