code: function _handleGoLiveCommand() {
          if (LiveDevImpl.status >= LiveDevImpl.STATUS_ACTIVE) {
              LiveDevImpl.close();
          } else if (LiveDevImpl.status <= LiveDevImpl.STATUS_INACTIVE) {
              if (!params.get("skipLiveDevelopmentInfo") && !PreferencesManager.getViewState("livedev.afterFirstLaunch")) {
                  PreferencesManager.setViewState("livedev.afterFirstLaunch", "true");
                  Dialogs.showModalDialog(
                      DefaultDialogs.DIALOG_ID_INFO,
                      Strings.LIVE_DEVELOPMENT_INFO_TITLE,
                      Strings.LIVE_DEVELOPMENT_INFO_MESSAGE
                  ).done(function (id) {
                      LiveDevImpl.open();
                  });
              } else {
                  LiveDevImpl.open();
              }
          }
      }
docs: Toggles LiveDevelopment and synchronizes the state of UI elements that reports LiveDevelopment status
  
  Stop Live Dev when in an active state (ACTIVE, OUT_OF_SYNC, SYNC_ERROR).
  Start Live Dev when in an inactive state (ERROR, INACTIVE).
  Do nothing when in a connecting state (CONNECTING, LOADING_AGENTS).