code: synchronized boolean removeMappings(HttpContext context)
      {
          boolean existing=false;
          
          if (_virtualHostMap!=null)
          {
              Iterator i1 = _virtualHostMap.keySet().iterator();
              while(i1.hasNext())
              {
                  String virtualHost=(String)i1.next();
                  if (removeMapping(virtualHost,context))
                      existing=true;
              }
          }
          return existing;
      }
docs: /* ------------------------------------------------------------