docs: @Override
      public final Map<String, OperationEntry> getOperationDescriptions(final PathAddress address, boolean inherited) {
  
          if (parent != null) {
              RootInvocation ri = getRootInvocation();
              return ri.root.getOperationDescriptions(ri.pathAddress.append(address), inherited);
          }
          // else we are the root
          Map<String, OperationEntry> providers = new TreeMap<String, OperationEntry>();
          getOperationDescriptions(address.iterator(), providers, inherited);
          return providers;
      }