protected <T> Map<Object, T> getValues(final String regionNamePath, String... keys) {
    return getValues(regionNamePath, (Object[]) keys);
  }
AbstractBaseController class contains common functionalities required for other controllers.

@since GemFire 8.0
geode-web-api/src/main/java/org/apache/geode/rest/internal/web/controllers/AbstractBaseController.java