diff --git a/DTLib.csproj b/DTLib.csproj
index 3fe8d3d..5cf8ac1 100644
--- a/DTLib.csproj
+++ b/DTLib.csproj
@@ -36,7 +36,9 @@
     <Compile Include="Dtsod\DtsodV21.cs" />
     <Compile Include="Dtsod\DtsodV22.cs" />
     <Compile Include="cs9somefix.cs" />
-    <Compile Include="Dtsod\ValueTypes.cs" />
+    <Compile Include="Dtsod\V30\DtsodSerializableAttribute.cs" />
+    <Compile Include="Dtsod\V30\DtsodV30.cs" />
+    <Compile Include="Dtsod\V30\DtsodVersion.cs" />
     <Compile Include="EventHandlerAsync.cs" />
     <Compile Include="Filesystem\Directory.cs" />
     <Compile Include="Filesystem\File.cs" />
diff --git a/Dtsod/DtsodV21.cs b/Dtsod/DtsodV21.cs
index d4bdda4..112b828 100644
--- a/Dtsod/DtsodV21.cs
+++ b/Dtsod/DtsodV21.cs
@@ -16,6 +16,7 @@ namespace DTLib.Dtsod
     // парсер теперь не может игнорировать комменты, потом починю
     // теперь числовые значения конвертируются в правильный тип, а не в int64/uint64 (новый вариант switch из c#9.0 делал какую-то херню)
     // исправлены некоторые другие баги
+
     public class DtsodV21 : Dictionary<string, dynamic>
     {
         static readonly bool debug = false;
@@ -82,15 +83,6 @@ namespace DTLib.Dtsod
             List,
             Complex,
             String,
-            /*Double,
-            Long,
-            Ulong,
-            Short,
-            Ushort,
-            Int,
-            Uint,
-            Null,
-            Bool,*/
             Default
         }
 
@@ -356,7 +348,6 @@ namespace DTLib.Dtsod
             }
         }
 
-
         void Debug(params string[] msg)
         {
             if(debug)
@@ -369,3 +360,4 @@ namespace DTLib.Dtsod
         }
     }
 }
+
diff --git a/Dtsod/DtsodV22.cs b/Dtsod/DtsodV22.cs
index 587968d..f5124a0 100644
--- a/Dtsod/DtsodV22.cs
+++ b/Dtsod/DtsodV22.cs
@@ -43,6 +43,23 @@ namespace DTLib.Dtsod
             }
         }
 
+        public enum ValueTypes
+        {
+            List,
+            Complex,
+            String,
+            Short,
+            Int,
+            Long,
+            UShort,
+            UInt,
+            ULong,
+            Double,
+            Null,
+            Bool,
+            Unknown
+        }
+
         public DtsodV22() { }
 
         public DtsodV22(string text)
@@ -51,7 +68,6 @@ namespace DTLib.Dtsod
                 Add(pair.Key, pair.Value);
         }
 
-
         public DtsodV22(Dictionary<string, DtsodV22.ValueStruct> dict)
         {
             foreach(KeyValuePair<string, ValueStruct> pair in dict)
diff --git a/Dtsod/V30/DtsodSerializableAttribute.cs b/Dtsod/V30/DtsodSerializableAttribute.cs
new file mode 100644
index 0000000..6a0ea48
--- /dev/null
+++ b/Dtsod/V30/DtsodSerializableAttribute.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DTLib.Dtsod
+{
+    public class DtsodSerializableAttribute : Attribute
+    {
+        public DtsodVersion Version;
+        public DtsodSerializableAttribute(DtsodVersion ver) => Version=ver;
+    }
+}
diff --git a/Dtsod/V30/DtsodV30.cs b/Dtsod/V30/DtsodV30.cs
new file mode 100644
index 0000000..2bef564
--- /dev/null
+++ b/Dtsod/V30/DtsodV30.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DTLib.Dtsod
+{
+    static public class DtsodV30
+    {
+        /*
+        public static DtsodV30 FromObject(object target)
+        {
+
+        }
+
+        public T ToObject<T>()
+        {
+            
+        }
+        */
+    }
+}
diff --git a/Dtsod/V30/DtsodVersion.cs b/Dtsod/V30/DtsodVersion.cs
new file mode 100644
index 0000000..a64ee93
--- /dev/null
+++ b/Dtsod/V30/DtsodVersion.cs
@@ -0,0 +1,9 @@
+namespace DTLib.Dtsod
+{
+    public enum DtsodVersion : byte
+    {
+        V21 = 21,
+        V22 = 22,
+        V30 = 30
+    }
+}
diff --git a/Dtsod/ValueTypes.cs b/Dtsod/ValueTypes.cs
deleted file mode 100644
index a7664c1..0000000
--- a/Dtsod/ValueTypes.cs
+++ /dev/null
@@ -1,19 +0,0 @@
-namespace DTLib.Dtsod
-{
-    public enum ValueTypes
-    {
-        List,
-        Complex,
-        String,
-        Short,
-        Int,
-        Long,
-        UShort,
-        UInt,
-        ULong,
-        Double,
-        Null,
-        Bool,
-        Unknown
-    }
-}
diff --git a/Network/FSP.cs b/Network/FSP.cs
index d038e44..db7462d 100644
--- a/Network/FSP.cs
+++ b/Network/FSP.cs
@@ -144,7 +144,7 @@ namespace DTLib.Network
             if(!dirOnServer.EndsWith("\\"))
                 dirOnServer+="\\";
             Debug("b", "downloading manifest <", "c", dirOnServer+"manifest.dtsod", "b", ">\n");
-            var manifest = new DtsodV22(SimpleConverter.ToString(DownloadFileToMemory(dirOnServer+"manifest.dtsod")));
+            var manifest = new Dtsod.DtsodV22(SimpleConverter.ToString(DownloadFileToMemory(dirOnServer+"manifest.dtsod")));
             Debug("g", $"found {manifest.Values.Count} files in manifest\n");
             var hasher = new Hasher();
             foreach(string fileOnServer in manifest.Keys)