src/vs/workbench/browser/parts/editor/editorActions.ts/FocusRightGroup/constructor
class FocusRightGroup:	constructor(
		id: string,
		label: string,
		@IEditorGroupsService editorGroupService: IEditorGroupsService
	) {
		super(id, label, { direction: GroupDirection.RIGHT }, editorGroupService);
	}