src/vs/workbench/api/common/extHostLanguageFeatures.ts/InlineCompletionAdapter/handleDidShowCompletionItem
class InlineCompletionAdapter:	override handleDidShowCompletionItem(pid: number, idx: number): void {
		const completionItem = this._references.get(pid)?.items[idx];
		if (completionItem) {
			if (this._provider.handleDidShowCompletionItem && this._isAdditionsProposedApiEnabled) {
				this._provider.handleDidShowCompletionItem(completionItem);
			}
		}
	}