code: @XmlElementDecl(namespace = "http://www.w3.org/1998/Math/MathML", name = "laplacian")
      public JAXBElement<LaplacianType> createLaplacian(LaplacianType value) {
          return new JAXBElement<LaplacianType>(_Laplacian_QNAME, LaplacianType.class, null, value);
      }
docs: Create an instance of {@link JAXBElement }{@code <}{@link LaplacianType }{@code >}}