code: public EClass getBuffer() {
  		if (bufferEClass == null) {
  			bufferEClass = (EClass) EPackage.Registry.INSTANCE.getEPackage(GeometryPackage.eNS_URI).getEClassifiers().get(3);
  		}
  		return bufferEClass;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated