public static Supports attributeNameValueOf(String attributeName) {
      for (Supports s : values()) {
        if (s.getXmlAttributeName().equals(attributeName)) {
          return s;
        }
      }
      return null;
    }
Service configuration-types can support different abilities. This
enumerates the various abilities that configuration-types can support.

For example, Hadoop configuration types like 'core-site' and 'hdfs-site'
can support the ability to define certain configs as 'final'.
ambari-server/src/main/java/org/apache/ambari/server/stack/ConfigurationInfo.java