code: protected Object propertyGet(Bean bean, String propertyName, boolean quiet) {
          // used to enable 100% test coverage in beans
          if (quiet) {
              return null;
          }
          throw new NoSuchElementException("Unknown property: " + propertyName);
      }
docs: Gets the value of the property.
  
  @param bean  the bean to query, not null
  @param propertyName  the property name, not null
  @param quiet  true to return null if unable to read
  @return the value of the property, may be null
  @throws NoSuchElementException if the property name is invalid