namespace System.Text.Json.Serialization.Metadata
{
    [EditorBrowsable(EditorBrowsableState.Never)]
    public static class JsonMetadataServices
    {
        public static JsonTypeInfo<TCollection>! CreateIDictionaryInfo<TCollection, TKey, TValue>(JsonSerializerOptions! options, JsonCollectionInfoValues<TCollection>! collectionInfo)
            where TCollection, IDictionary<TKey, TValue>!
            where TKey, notnull;
    }
}