/**
  *
  * <!-- begin-user-doc -->
  * <!-- end-user-doc -->
  *
  * @generated
  */
 @Override
 public void eUnset(int featureID) {
   switch (featureID) {
     case BPELPackage.COPY__TO:
       setTo((To) null);
       return;
     case BPELPackage.COPY__FROM:
       setFrom((From) null);
       return;
     case BPELPackage.COPY__KEEP_SRC_ELEMENT_NAME:
       unsetKeepSrcElementName();
       return;
     case BPELPackage.COPY__IGNORE_MISSING_FROM_DATA:
       unsetIgnoreMissingFromData();
       return;
   }
   super.eUnset(featureID);
 }