namespace System.Text.Json.Serialization.Converters { internal sealed class ObjectConverter : JsonConverter<object> { public ObjectConverter() { IsInternalConverterForNumberType = true; } public override object Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) { return JsonElement.ParseValue(ref reader); } public override void Write(Utf8JsonWriter writer, object value, JsonSerializerOptions options) { throw new InvalidOperationException(); } internal override object ReadWithQuotes(ref Utf8JsonReader reader) { ThrowHelper.ThrowNotSupportedException_DictionaryKeyTypeNotSupported(TypeToConvert, this); return null; } internal override void WriteWithQuotes(Utf8JsonWriter writer, object value, JsonSerializerOptions options, ref WriteStack state) { Type type = value.GetType(); JsonConverter converter = options.GetConverter(type); if (converter == this) ThrowHelper.ThrowNotSupportedException_DictionaryKeyTypeNotSupported(type, this); converter.WriteWithQuotesAsObject(writer, value, options, ref state); } internal override object ReadNumberWithCustomHandling(ref Utf8JsonReader reader, JsonNumberHandling handling) { return JsonElement.ParseValue(ref reader); } } }