docs: @Override
      public void process(ImapRequestLineReader request,
                          ImapResponse response,
                          ImapSession session) {
          try {
              doProcess(request, response, session);
          } catch (FolderException e) {
              log.warn("Error processing command", e);
              response.commandFailed(this, e.getResponseCode(), e.getMessage());
          } catch (AuthorizationException e) {
              log.warn("Error processing command due to authentication", e);
              String msg = "Authorization error: Lacking permissions to perform requested operation.";
              response.commandFailed(this, msg);
          } catch (ProtocolException e) {
              String msg = e.getMessage() + " Command should be '" +
                      getExpectedMessage() + '\'';
              log.warn("Error processing command: {}", msg, e);
              response.commandError(msg);
          }
      }