src/vs/workbench/browser/parts/editor/editorActions.ts/AbstractCloseAllAction/constructor
class AbstractCloseAllAction:	constructor(
		id: string,
		label: string,
		clazz: string | undefined,
		private fileDialogService: IFileDialogService,
		protected editorGroupService: IEditorGroupsService,
		private editorService: IEditorService,
		private filesConfigurationService: IFilesConfigurationService
	) {
		super(id, label, clazz);
	}