public List<String> getResourceClassNames() {
    return parseCommaDelimitedStrings(get(CONFIG_REST_RESOURCE_CLASSES));
  }
@see SamzaRestConfig#CONFIG_REST_RESOURCE_CLASSES
@return a list of class names as Strings corresponding to resource classes
         that Samza REST should register or an empty list if none were configured.
samza-rest/src/main/java/org/apache/samza/rest/SamzaRestConfig.java