@Override
    public Set<String> keySet() {
        Set<String> keySet = new HashSet<String>();
        for (Property property : getProperties(_scope)) {
            keySet.add(property.getName());
        }
        return keySet;
    }
@ Override public Set < String > keySet ( ) { Set < String > keySet = new HashSet < String > ( ) ; for ( Property property : getProperties ( _scope ) ) { keySet . add ( property . getName ( ) ) ; } return keySet ; }
{@inheritDoc}