final ObjectAdapter returnedAdapter = action.execute(objectAdapter, argArray2);
// response (void)
final ActionResultReprRenderer renderer = new ActionResultReprRenderer(resourceContext, null, selfLink, JsonRepresentation.newMap());
renderer.with(new ObjectAndActionInvocation(objectAdapter, action, arguments, returnedAdapter)).using(adapterLinkTo);
final ResponseBuilder respBuilder = ResourceAbstract.responseOfOk(renderer, Caching.NONE);
final Version version = objectAdapter.getVersion();
ResourceAbstract.addLastModifiedAndETagIfAvailable(respBuilder, version);