code: public static void setSunNamespacePrefixMapper (@Nonnull final Marshaller aMarshaller,
                                                    @Nonnull final JAXBNamespacePrefixMapper aNamespacePrefixMapper)
    {
      final String sPropertyName = SUN_PREFIX_MAPPER;
      _setProperty (aMarshaller, sPropertyName, aNamespacePrefixMapper);
    }
docs: Set the Sun specific namespace prefix mapper. Value must implement either
  <code>com.sun.xml.bind.marshaller.NamespacePrefixMapper</code> or
  <code>com.sun.xml.internal.bind.marshaller.NamespacePrefixMapper</code>
  depending on the implementation type of <code>Marshaller</code>.
  
  @param aMarshaller
  The marshaller to set the property. May not be <code>null</code>.
  @param aNamespacePrefixMapper
  the value to be set