src/vs/workbench/contrib/notebook/common/notebookOptions.ts/NotebookOptions/_computeInsertToolbarPositionOption
class NotebookOptions:	private _computeInsertToolbarPositionOption() {
		return this.configurationService.getValue<'betweenCells' | 'notebookToolbar' | 'both' | 'hidden'>(NotebookSetting.insertToolbarLocation) ?? 'both';
	}