return eDynamicIsSet( eFeature );
return super.eIsSet( featureID );
	public boolean eIsSet( EStructuralFeature eFeature )	{		switch ( eDerivedStructuralFeatureID( eFeature ) )		{			case AttributePackage.ROTATION3_D__ANGLES :				return angles != null && !angles.isEmpty( );		}		return eDynamicIsSet( eFeature );	}