this._activateSession(internalSession, (err: Error | null /*, newSession?: ClientSessionImpl*/) => {
            if (!err) {

                if (old_client !== this) {
                    // remove session from old client:
                    if (old_client) {
                        old_client._removeSession(internalSession);
                        assert(!_.contains(old_client._sessions, internalSession));
                    }

                    this._addSession(internalSession);
                    assert(internalSession._client === this);
                    assert(!internalSession._closed, "session should not vbe closed");
                    assert(_.contains(this._sessions, internalSession));
                }
                callback();

            } else {

                // istanbul ignore next
                if (doDebug) {
                    debugLog(chalk.red.bgWhite("reactivateSession has failed !"), err.message);
                }
                callback(err);
            }
        });

                        angular.forEach(row, function (val:any, name:any) {
                            var displayName = name;
                            if (name.indexOf('.') >= 0) {
                                displayName = name.substring(name.indexOf('.') + 1);
                            }
                            if (hideColumns && (_.contains(hideColumns, displayName) || _.contains(hideColumns, name))) {

                            }
                            else {
                                displayColumns.push(displayName)
                                columns.push(name);
                            }
                        });

    public _removeSession(session: ClientSessionImpl) {

        const index = this._sessions.indexOf(session);

        if (index >= 0) {
            const s = this._sessions.splice(index, 1)[0];
            assert(s === session);
            assert(!_.contains(this._sessions, session));
            assert(session._client === this);
            session._client = null;
        }
        assert(!_.contains(this._sessions, session));
    }

	private static validateTeam(days: Date[], team: TeamModel, daysOfWeek: string[]): string {
		for (let byeDay of team.byes) {
			if (!_.contains(days, byeDay)) {
				return "Team " + team.teamName + " requested bye " + 
					DateUtils.niceStringForDate(byeDay) + 
					", but that is not a day when games are scheduled.";
			}
		}
		if (team.badDayOfWeek && !_.contains(daysOfWeek, team.badDayOfWeek.toLowerCase())) {
			return "Team " + team.teamName + " asked for no games on " + 
				team.badDayOfWeek + "s, but that is not a day of the week when games on scheduled.";
		}
		return "";
	}

      each(indexQuerySection.result.in, (paramValue: string, paramKey: string) => {
        const row = $$('tr');
        table.append(row.el);

        const id = `executionReportIndexExecution${paramKey}`;

        if (contains(collapsibleSectionsInReport, paramKey) && paramValue) {
          const btn = $$(
            'button',
            {
              className: 'coveo-button'
            },
            paramKey
          );

          const tdTarget = $$(
            'td',
            {
              id,
              className: 'coveo-relevance-inspector-effective-query-collapsible'
            },
            new GenericValueOutput().output(paramValue).content
          );

          btn.on('click', () => {
            tdTarget.toggleClass('coveo-active');
          });

          row.append($$('td', undefined, btn).el);
          row.append(tdTarget.el);
        } else {
          row.append($$('td', undefined, paramKey).el);
          row.append($$('td', undefined, new GenericValueOutput().output(paramValue).content).el);
        }
      });

 storage.get('queries', function(error, queries) {
   if (error) {
     console.error(error);
   } else {
     if (_.contains(_.map(queries, (q: QueryEntry) => { return q.name; }), $name.val())) {
       pushResponse($resp, 'Key already exists.');
     } else {
       if (_.isEmpty(queries)) {
         queries = [];
       }
       queries.push({
         name: $name.val(),
         collection: $collection.val(),
         query: $query.val()
       });
       storage.set('queries', queries, function(error) {
         if (error) {
           console.error(error);
         } else {
           pushResponse($resp, 'Entry added successfully.');
         }
       });
     }
   }
 });

 onToggleAlaCarte(alaCarteId: string) {
   if(_.contains(this.selectedAlaCarteIds, alaCarteId)){
     this.selectedAlaCarteIds = 
       _.without(this.selectedAlaCarteIds, alaCarteId);
   } else {
     this.selectedAlaCarteIds.push(alaCarteId);
   }
 }

 /**
  * Update the contents of this view
  *
  * Called when the model is changed.  The model may have been
  * changed by another view or by a state update from the back-end.
  */
 update() {
     super.update();
     var selected = this.model.get('value') || [];
     var values = _.map(selected, encodeURIComponent);
     var options = this.listbox.options;
     for (var i = 0, len = options.length; i < len; ++i) {
         var value = options[i].getAttribute('data-value');
         options[i].selected = _.contains(values, value);
     }
 }