code: @Deprecated
      public static <T> String marshal(@NotNull final JAXBContext ctx, final T data) {
          return JaxbUtils.marshal(marshal(ctx, data));
      }
docs: Marshals the given data using a given context. A <code>null</code> data argument returns <code>null</code>.
  
  @param ctx
  Context to use.
  @param data
  Data to serialize or <code>null</code>.
  
  @return XML data or <code>null</code>.
  
  @param <T>
  Type of the data.
  
  @deprecated Use {@link JaxbUtils#marshal(JAXBContext, Object)}