code: private Map<String, RESTCommand> getCmdNameMap(String cmdOwner) {
          SortedMap<String, RESTCommand> cmdNameMap = m_cmdsByOwnerMap.get(cmdOwner);
          if (cmdNameMap == null) {
              cmdNameMap = new TreeMap<>();
              m_cmdsByOwnerMap.put(cmdOwner, cmdNameMap);
          }
          return cmdNameMap;
      }
docs: Get the method -> command map for the given owner.