* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void unsetIsCenterField() {
IsCenterFieldType oldIsCenterField = isCenterField;
boolean oldIsCenterFieldESet = isCenterFieldESet;
isCenterField = IS_CENTER_FIELD_EDEFAULT;
isCenterFieldESet = false;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.UNSET, _40Package.CLUSTERING_FIELD_TYPE__IS_CENTER_FIELD, oldIsCenterField, IS_CENTER_FIELD_EDEFAULT, oldIsCenterFieldESet));