src/vs/workbench/services/history/browser/historyService.ts/HistoryService/handleActiveEditorChangeInNavigationStacks
class HistoryService:	private handleActiveEditorChangeInNavigationStacks(group: IEditorGroup, editorPane?: IEditorPane): void {
		this.getStack(group, editorPane?.input).handleActiveEditorChange(editorPane);
	}