code: @Override
  	public Set<PropertyType> canCreate() {
  
  		final Set<PropertyType> properties = new LinkedHashSet<>();
  
  		properties.add(PropertyType.BOOLEAN);
  		properties.add(PropertyType.DATETIME);
  		properties.add(PropertyType.DECIMAL);
  		properties.add(PropertyType.HTML);
  		properties.add(PropertyType.ID);
  		properties.add(PropertyType.INTEGER);
  		properties.add(PropertyType.STRING);
  		properties.add(PropertyType.URI);
  
  		return properties;
  	}
docs: ----- interface CreatablePropertyTypes -----