private static boolean isBooleanProperty(String propertyName){
  return (PROPERTY_CHECKED.equals(propertyName) || PROPERTY_ENABLED.equals(propertyName) || PROPERTY_FULL_SCREEN.equals(propertyName)|| PROPERTY_SCROLLABLE.equals(propertyName)|| PROPERTY_PASSWORD.equals(propertyName));
}

private static boolean isBooleanProperty ( String propertyName ) { return ( PROPERTY_CHECKED . equals ( propertyName ) || PROPERTY_ENABLED . equals ( propertyName ) || PROPERTY_FULL_SCREEN . equals ( propertyName ) || PROPERTY_SCROLLABLE . equals ( propertyName ) || PROPERTY_PASSWORD . equals ( propertyName ) ) ; }
returns if a property is a boolean .
