switch ( eDerivedStructuralFeatureID( eFeature ) )
switch ( featureID )
	public void eUnset( EStructuralFeature eFeature )	{		switch ( eDerivedStructuralFeatureID( eFeature ) )		{			case AttributePackage.STYLE_MAP__COMPONENT_NAME :				unsetComponentName( );				return;			case AttributePackage.STYLE_MAP__STYLE :				setStyle( (Style) null );				return;		}		eDynamicUnset( eFeature );	}