type AggregationResult<TOption, TFeatures> = TOption extends ReadonlyArray<infer TEntry> ? { [TKey in AggregationEntryId<TEntry>]: AggregationResultOfRef<AggregationEntryDefinition<Extract<TEntry, TKey | { id: TKey }>>, TFeatures> } : AggregationResultOfRef<TOption, TFeatures>;