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