ArcGISRuntimeXamarin.CategoriesActivity.CreateSampleStructureMap C# (CSharp) Метод

        public SampleStructureMap CreateSampleStructureMap(byte[] jsonInBytes)
        {
            var serializer = new DataContractJsonSerializer(typeof(SampleStructureMap));
            SampleStructureMap structureMap = null;

            using (Stream stream = Assets.Open("groups.json"))
            {
                using (MemoryStream ms = new MemoryStream(jsonInBytes))
                {
                    structureMap = serializer.ReadObject(ms) as SampleStructureMap;
                    structureMap.Samples = new List<SampleModel>();
                }
            }
            return structureMap;
        }