docs: public EList<VendorExtension> getVendorExtension() {
  		if (vendorExtension == null) {
  			vendorExtension = new EObjectContainmentEList<VendorExtension>(VendorExtension.class, this, BpsimPackage.ELEMENT_PARAMETERS__VENDOR_EXTENSION);
  		}
  		return vendorExtension;
  	}