public boolean eIsSet( EStructuralFeature eFeature )
public boolean eIsSet( int featureID )
	public boolean eIsSet( EStructuralFeature eFeature )	{		switch ( eDerivedStructuralFeatureID( eFeature ) )		{			case ComponentPackage.ESTRING_TO_DATA_SET_MAP_ENTRY__KEY :				return KEY_EDEFAULT == null ? key != null						: !KEY_EDEFAULT.equals( key );			case ComponentPackage.ESTRING_TO_DATA_SET_MAP_ENTRY__VALUE :				return value != null;		}		return eDynamicIsSet( eFeature );	}