switch ( eDerivedStructuralFeatureID( eFeature ) )
switch ( featureID )
	public boolean eIsSet( EStructuralFeature eFeature )	{		switch ( eDerivedStructuralFeatureID( eFeature ) )		{			case AttributePackage.TOOLTIP_VALUE__TEXT :				return TEXT_EDEFAULT == null ? text != null						: !TEXT_EDEFAULT.equals( text );			case AttributePackage.TOOLTIP_VALUE__DELAY :				return isSetDelay( );		}		return eDynamicIsSet( eFeature );	}