code: public synchronized Object remove(Object pathSpec)
      {
          if (pathSpec!=null)
          {
              String spec=(String) pathSpec;
              if (spec.equals("/*"))
                  _prefixDefault=null;
              else if (spec.endsWith("/*"))
              {
                  _prefixMap.remove(spec.substring(0,spec.length()-2));
                  _exactMap.remove(spec.substring(0,spec.length()-1));
                  _exactMap.remove(spec.substring(0,spec.length()-2));
              }
              else if (spec.startsWith("*."))
                  _suffixMap.remove(spec.substring(2));
              else if (spec.equals("/"))
              {
                  _default=null;
                  _defaultSingletonList=null;
              }
              else
                  _exactMap.remove(spec);
          }
          return super.remove(pathSpec);
      }
docs: /* ---------------------------------------------------------------