code: @Override
  	public IndividualHelper firstIndividual() {
  		Property property=getProperty();
  		if(property==null) {
  			return null;
  		}
  		for(Value value:property) {
  			if(value instanceof Individual<?,?>) {
  				return new IndividualHelperImpl((Individual<?,?>)value);
  			}
  		}
  		return null;
  	}
docs: {@inheritDoc}