EllipticCurvesExtensionPreparator extends ExtensionPreparator<EllipticCurvesExtensionMessage> { @Override public void prepareExtensionContent() { LOGGER.debug("Preparing EllipticCurvesExtensionMessage"); prepareSupportedGroups(msg); prepareSupportedGroupsLength(msg); } EllipticCurvesExtensionPreparator(Chooser chooser, EllipticCurvesExtensionMessage message,
            EllipticCurvesExtensionSerializer serializer); @Override void prepareExtensionContent();  }
@Test public void testPrepareExtensionContent() { }