src/vs/editor/contrib/suggest/browser/suggestController.ts/SuggestController/_alertCompletionItem
class SuggestController:	private _alertCompletionItem(item: CompletionItem): void {
		if (isNonEmptyArray(item.completion.additionalTextEdits)) {
			const msg = nls.localize('aria.alert.snippet', "Accepting '{0}' made {1} additional edits", item.textLabel, item.completion.additionalTextEdits.length);
			alert(msg);
		}
	}