src/vs/editor/common/services/languageFeatureDebounce.ts/FeatureDebounceInformation/get
class FeatureDebounceInformation:	get(model: ITextModel): number {
		const key = this._key(model);
		const avg = this._cache.get(key);
		return avg
			? clamp(avg.value, this._min, this._max)
			: this.default();
	}