code:         protected void embalmTarget() {
              if (!gotMethods && target.allowedMethods.isEmpty()) {
                  target.allowedMethods.add(WILDCARD);
              }
  
              target.params = Collections.unmodifiableMap(target.params);
              target.results = Collections.unmodifiableMap(target.results);
              target.interceptors = Collections.unmodifiableList(target.interceptors);
              target.exceptionMappings = Collections.unmodifiableList(target.exceptionMappings);
              target.allowedMethods = Collections.unmodifiableSet(target.allowedMethods);
          }
      }
  }
  