code: function() {
  			this._oDialog.close();
  			this._oDialog.destroy();
  			this._oDialog = null;
  
  			if (this._oAssistantPopover) {
  				this._oAssistantPopover.destroy();
  				this._oAssistantPopover = null;
  			}
  
  			if (this._oDebugPopover) {
  				this._oDebugPopover.destroy();
  				this._oDebugPopover = null;
  			}
  		}
docs: Closes the technical information dialog