this.closeRightEditorsAction=this.instantiationService.createInstance(CloseRightEditorsInGroupAction,CloseRightEditorsInGroupAction.ID,nls.localize('closeRight',"Close to the Right"));
this.showEditorsInGroupAction=this.instantiationService.createInstance(ShowEditorsInGroupAction,ShowEditorsInGroupAction.ID,nls.localize('showOpenedEditors',"Show Opened Editors"));