diff --git a/SabreTools.Serialization/Internal.ArchiveDotOrg.cs b/SabreTools.Serialization/Internal.ArchiveDotOrg.cs
index f8825c63..75e06122 100644
--- a/SabreTools.Serialization/Internal.ArchiveDotOrg.cs
+++ b/SabreTools.Serialization/Internal.ArchiveDotOrg.cs
@@ -114,7 +114,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.ArchiveDotOrg.File"/>
         /// </summary>
-        public static Models.ArchiveDotOrg.File? ConvertToArchiveDotOrg(Models.Internal.Rom? item)
+        private static Models.ArchiveDotOrg.File? ConvertToArchiveDotOrg(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.AttractMode.cs b/SabreTools.Serialization/Internal.AttractMode.cs
index 1b2da2f2..352baa9b 100644
--- a/SabreTools.Serialization/Internal.AttractMode.cs
+++ b/SabreTools.Serialization/Internal.AttractMode.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using System.Linq;
 
 namespace SabreTools.Serialization
@@ -102,7 +101,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.AttractMode.Row"/>
         /// </summary>
-        public static Models.AttractMode.Row? ConvertToAttractMode(Models.Internal.Rom? item)
+        private static Models.AttractMode.Row? ConvertToAttractMode(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.ClrMamePro.cs b/SabreTools.Serialization/Internal.ClrMamePro.cs
index aab71462..acf0e0d2 100644
--- a/SabreTools.Serialization/Internal.ClrMamePro.cs
+++ b/SabreTools.Serialization/Internal.ClrMamePro.cs
@@ -411,7 +411,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Archive"/> to <cref="Models.ClrMamePro.Archive"/>
         /// </summary>
-        public static Models.ClrMamePro.Archive? ConvertToClrMamePro(Models.Internal.Archive? item)
+        private static Models.ClrMamePro.Archive? ConvertToClrMamePro(Models.Internal.Archive? item)
         {
             if (item == null)
                 return null;
@@ -426,7 +426,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.BiosSet"/> to <cref="Models.ClrMamePro.BiosSet"/>
         /// </summary>
-        public static Models.ClrMamePro.BiosSet? ConvertToClrMamePro(Models.Internal.BiosSet? item)
+        private static Models.ClrMamePro.BiosSet? ConvertToClrMamePro(Models.Internal.BiosSet? item)
         {
             if (item == null)
                 return null;
@@ -443,7 +443,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Chip"/> to <cref="Models.ClrMamePro.Chip"/>
         /// </summary>
-        public static Models.ClrMamePro.Chip? ConvertToClrMamePro(Models.Internal.Chip? item)
+        private static Models.ClrMamePro.Chip? ConvertToClrMamePro(Models.Internal.Chip? item)
         {
             if (item == null)
                 return null;
@@ -461,7 +461,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.DipSwitch"/> to <cref="Models.ClrMamePro.DipSwitch"/>
         /// </summary>
-        public static Models.ClrMamePro.DipSwitch? ConvertToClrMamePro(Models.Internal.DipSwitch? item)
+        private static Models.ClrMamePro.DipSwitch? ConvertToClrMamePro(Models.Internal.DipSwitch? item)
         {
             if (item == null)
                 return null;
@@ -478,7 +478,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Disk"/> to <cref="Models.ClrMamePro.Disk"/>
         /// </summary>
-        public static Models.ClrMamePro.Disk? ConvertToClrMamePro(Models.Internal.Disk? item)
+        private static Models.ClrMamePro.Disk? ConvertToClrMamePro(Models.Internal.Disk? item)
         {
             if (item == null)
                 return null;
@@ -498,7 +498,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Driver"/> to <cref="Models.ClrMamePro.Driver"/>
         /// </summary>
-        public static Models.ClrMamePro.Driver? ConvertToClrMamePro(Models.Internal.Driver? item)
+        private static Models.ClrMamePro.Driver? ConvertToClrMamePro(Models.Internal.Driver? item)
         {
             if (item == null)
                 return null;
@@ -517,7 +517,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Input"/> to <cref="Models.ClrMamePro.Input"/>
         /// </summary>
-        public static Models.ClrMamePro.Input? ConvertToClrMamePro(Models.Internal.Input? item)
+        private static Models.ClrMamePro.Input? ConvertToClrMamePro(Models.Internal.Input? item)
         {
             if (item == null)
                 return null;
@@ -537,7 +537,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Media"/> to <cref="Models.ClrMamePro.Media"/>
         /// </summary>
-        public static Models.ClrMamePro.Media? ConvertToClrMamePro(Models.Internal.Media? item)
+        private static Models.ClrMamePro.Media? ConvertToClrMamePro(Models.Internal.Media? item)
         {
             if (item == null)
                 return null;
@@ -556,7 +556,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Release"/> to <cref="Models.ClrMamePro.Release"/>
         /// </summary>
-        public static Models.ClrMamePro.Release? ConvertToClrMamePro(Models.Internal.Release? item)
+        private static Models.ClrMamePro.Release? ConvertToClrMamePro(Models.Internal.Release? item)
         {
             if (item == null)
                 return null;
@@ -575,7 +575,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.ClrMamePro.Rom"/>
         /// </summary>
-        public static Models.ClrMamePro.Rom? ConvertToClrMamePro(Models.Internal.Rom? item)
+        private static Models.ClrMamePro.Rom? ConvertToClrMamePro(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -610,7 +610,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Sample"/> to <cref="Models.ClrMamePro.Sample"/>
         /// </summary>
-        public static Models.ClrMamePro.Sample? ConvertToClrMamePro(Models.Internal.Sample? item)
+        private static Models.ClrMamePro.Sample? ConvertToClrMamePro(Models.Internal.Sample? item)
         {
             if (item == null)
                 return null;
@@ -625,7 +625,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Sound"/> to <cref="Models.ClrMamePro.Sound"/>
         /// </summary>
-        public static Models.ClrMamePro.Sound? ConvertToClrMamePro(Models.Internal.Sound? item)
+        private static Models.ClrMamePro.Sound? ConvertToClrMamePro(Models.Internal.Sound? item)
         {
             if (item == null)
                 return null;
@@ -640,7 +640,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Video"/> to <cref="Models.ClrMamePro.Video"/>
         /// </summary>
-        public static Models.ClrMamePro.Video? ConvertToClrMamePro(Models.Internal.Video? item)
+        private static Models.ClrMamePro.Video? ConvertToClrMamePro(Models.Internal.Video? item)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.DosCenter.cs b/SabreTools.Serialization/Internal.DosCenter.cs
index d0fd6dbd..81c463a3 100644
--- a/SabreTools.Serialization/Internal.DosCenter.cs
+++ b/SabreTools.Serialization/Internal.DosCenter.cs
@@ -74,7 +74,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.DosCenter.File"/>
         /// </summary>
-        public static Models.DosCenter.File? ConvertToDosCenter(Models.Internal.Rom? item)
+        private static Models.DosCenter.File? ConvertToDosCenter(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.EverdriveSMDB.cs b/SabreTools.Serialization/Internal.EverdriveSMDB.cs
index aeeda92e..a45389cd 100644
--- a/SabreTools.Serialization/Internal.EverdriveSMDB.cs
+++ b/SabreTools.Serialization/Internal.EverdriveSMDB.cs
@@ -58,7 +58,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.EverdriveSMDB.Row"/>
         /// </summary>
-        public static Models.EverdriveSMDB.Row? ConvertToEverdriveSMDB(Models.Internal.Rom? item)
+        private static Models.EverdriveSMDB.Row? ConvertToEverdriveSMDB(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.Hashfile.cs b/SabreTools.Serialization/Internal.Hashfile.cs
index 7053eaf0..d930d2bd 100644
--- a/SabreTools.Serialization/Internal.Hashfile.cs
+++ b/SabreTools.Serialization/Internal.Hashfile.cs
@@ -210,7 +210,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.Hashfile.MD5"/>
         /// </summary>
-        public static Models.Hashfile.MD5? ConvertToMD5(Models.Internal.Rom? item)
+        private static Models.Hashfile.MD5? ConvertToMD5(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -226,7 +226,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.Hashfile.SFV"/>
         /// </summary>
-        public static Models.Hashfile.SFV? ConvertToSFV(Models.Internal.Rom? item)
+        private static Models.Hashfile.SFV? ConvertToSFV(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -242,7 +242,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.Hashfile.SHA1"/>
         /// </summary>
-        public static Models.Hashfile.SHA1? ConvertToSHA1(Models.Internal.Rom? item)
+        private static Models.Hashfile.SHA1? ConvertToSHA1(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -258,7 +258,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.Hashfile.SHA256"/>
         /// </summary>
-        public static Models.Hashfile.SHA256? ConvertToSHA256(Models.Internal.Rom? item)
+        private static Models.Hashfile.SHA256? ConvertToSHA256(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -274,7 +274,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.Hashfile.SHA384"/>
         /// </summary>
-        public static Models.Hashfile.SHA384? ConvertToSHA384(Models.Internal.Rom? item)
+        private static Models.Hashfile.SHA384? ConvertToSHA384(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -290,7 +290,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.Hashfile.SHA512"/>
         /// </summary>
-        public static Models.Hashfile.SHA512? ConvertToSHA512(Models.Internal.Rom? item)
+        private static Models.Hashfile.SHA512? ConvertToSHA512(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -306,7 +306,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.Hashfile.SpamSum"/>
         /// </summary>
-        public static Models.Hashfile.SpamSum? ConvertToSpamSum(Models.Internal.Rom? item)
+        private static Models.Hashfile.SpamSum? ConvertToSpamSum(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.Listrom.cs b/SabreTools.Serialization/Internal.Listrom.cs
index 86c5ddd9..67c559dd 100644
--- a/SabreTools.Serialization/Internal.Listrom.cs
+++ b/SabreTools.Serialization/Internal.Listrom.cs
@@ -116,7 +116,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Disk"/> to <cref="Models.Listrom.Row"/>
         /// </summary>
-        public static Models.Listrom.Row? ConvertToListrom(Models.Internal.Disk? item)
+        private static Models.Listrom.Row? ConvertToListrom(Models.Internal.Disk? item)
         {
             if (item == null)
                 return null;
@@ -139,7 +139,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.Listrom.Row"/>
         /// </summary>
-        public static Models.Listrom.Row? ConvertToListrom(Models.Internal.Rom? item)
+        private static Models.Listrom.Row? ConvertToListrom(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.Listxml.cs b/SabreTools.Serialization/Internal.Listxml.cs
index 9ed0af85..6617ccce 100644
--- a/SabreTools.Serialization/Internal.Listxml.cs
+++ b/SabreTools.Serialization/Internal.Listxml.cs
@@ -875,7 +875,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Adjuster"/> to <cref="Models.Listxml.Adjuster"/>
         /// </summary>
-        public static Models.Listxml.Adjuster? ConvertToListxml(Models.Internal.Adjuster? item)
+        private static Models.Listxml.Adjuster? ConvertToListxml(Models.Internal.Adjuster? item)
         {
             if (item == null)
                 return null;
@@ -895,7 +895,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Analog"/> to <cref="Models.Listxml.Analog"/>
         /// </summary>
-        public static Models.Listxml.Analog? ConvertToListxml(Models.Internal.Analog? item)
+        private static Models.Listxml.Analog? ConvertToListxml(Models.Internal.Analog? item)
         {
             if (item == null)
                 return null;
@@ -910,7 +910,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.BiosSet"/> to <cref="Models.Listxml.BiosSet"/>
         /// </summary>
-        public static Models.Listxml.BiosSet? ConvertToListxml(Models.Internal.BiosSet? item)
+        private static Models.Listxml.BiosSet? ConvertToListxml(Models.Internal.BiosSet? item)
         {
             if (item == null)
                 return null;
@@ -927,7 +927,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Chip"/> to <cref="Models.Listxml.Chip"/>
         /// </summary>
-        public static Models.Listxml.Chip? ConvertToListxml(Models.Internal.Chip? item)
+        private static Models.Listxml.Chip? ConvertToListxml(Models.Internal.Chip? item)
         {
             if (item == null)
                 return null;
@@ -946,7 +946,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Condition"/> to <cref="Models.Listxml.Condition"/>
         /// </summary>
-        public static Models.Listxml.Condition? ConvertToListxml(Models.Internal.Condition? item)
+        private static Models.Listxml.Condition? ConvertToListxml(Models.Internal.Condition? item)
         {
             if (item == null)
                 return null;
@@ -964,7 +964,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Configuration"/> to <cref="Models.Listxml.Configuration"/>
         /// </summary>
-        public static Models.Listxml.Configuration? ConvertToListxml(Models.Internal.Configuration? item)
+        private static Models.Listxml.Configuration? ConvertToListxml(Models.Internal.Configuration? item)
         {
             if (item == null)
                 return null;
@@ -991,7 +991,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.ConfLocation"/> to <cref="Models.Listxml.ConfLocation"/>
         /// </summary>
-        public static Models.Listxml.ConfLocation? ConvertToListxml(Models.Internal.ConfLocation? item)
+        private static Models.Listxml.ConfLocation? ConvertToListxml(Models.Internal.ConfLocation? item)
         {
             if (item == null)
                 return null;
@@ -1008,7 +1008,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.ConfSetting"/> to <cref="Models.Listxml.ConfSetting"/>
         /// </summary>
-        public static Models.Listxml.ConfSetting? ConvertToListxml(Models.Internal.ConfSetting? item)
+        private static Models.Listxml.ConfSetting? ConvertToListxml(Models.Internal.ConfSetting? item)
         {
             if (item == null)
                 return null;
@@ -1029,7 +1029,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Control"/> to <cref="Models.Listxml.Control"/>
         /// </summary>
-        public static Models.Listxml.Control? ConvertToListxml(Models.Internal.Control? item)
+        private static Models.Listxml.Control? ConvertToListxml(Models.Internal.Control? item)
         {
             if (item == null)
                 return null;
@@ -1055,7 +1055,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Device"/> to <cref="Models.Listxml.Device"/>
         /// </summary>
-        public static Models.Listxml.Device ConvertToListxml(Models.Internal.Device item)
+        private static Models.Listxml.Device ConvertToListxml(Models.Internal.Device item)
         {
             if (item == null)
                 return null;
@@ -1081,7 +1081,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.DeviceRef"/> to <cref="Models.Listxml.DeviceRef"/>
         /// </summary>
-        public static Models.Listxml.DeviceRef? ConvertToListxml(Models.Internal.DeviceRef? item)
+        private static Models.Listxml.DeviceRef? ConvertToListxml(Models.Internal.DeviceRef? item)
         {
             if (item == null)
                 return null;
@@ -1096,7 +1096,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.DipLocation"/> to <cref="Models.Listxml.DipLocation"/>
         /// </summary>
-        public static Models.Listxml.DipLocation? ConvertToListxml(Models.Internal.DipLocation? item)
+        private static Models.Listxml.DipLocation? ConvertToListxml(Models.Internal.DipLocation? item)
         {
             if (item == null)
                 return null;
@@ -1113,7 +1113,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.DipSwitch"/> to <cref="Models.Listxml.DipSwitch"/>
         /// </summary>
-        public static Models.Listxml.DipSwitch? ConvertToListxml(Models.Internal.DipSwitch? item)
+        private static Models.Listxml.DipSwitch? ConvertToListxml(Models.Internal.DipSwitch? item)
         {
             if (item == null)
                 return null;
@@ -1140,7 +1140,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.DipValue"/> to <cref="Models.Listxml.DipValue"/>
         /// </summary>
-        public static Models.Listxml.DipValue? ConvertToListxml(Models.Internal.DipValue? item)
+        private static Models.Listxml.DipValue? ConvertToListxml(Models.Internal.DipValue? item)
         {
             if (item == null)
                 return null;
@@ -1161,7 +1161,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Disk"/> to <cref="Models.Listxml.Disk"/>
         /// </summary>
-        public static Models.Listxml.Disk? ConvertToListxml(Models.Internal.Disk? item)
+        private static Models.Listxml.Disk? ConvertToListxml(Models.Internal.Disk? item)
         {
             if (item == null)
                 return null;
@@ -1184,7 +1184,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Display"/> to <cref="Models.Listxml.Display"/>
         /// </summary>
-        public static Models.Listxml.Display? ConvertToListxml(Models.Internal.Display? item)
+        private static Models.Listxml.Display? ConvertToListxml(Models.Internal.Display? item)
         {
             if (item == null)
                 return null;
@@ -1212,7 +1212,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Driver"/> to <cref="Models.Listxml.Driver"/>
         /// </summary>
-        public static Models.Listxml.Driver? ConvertToListxml(Models.Internal.Driver? item)
+        private static Models.Listxml.Driver? ConvertToListxml(Models.Internal.Driver? item)
         {
             if (item == null)
                 return null;
@@ -1237,7 +1237,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Extension"/> to <cref="Models.Listxml.Extension"/>
         /// </summary>
-        public static Models.Listxml.Extension? ConvertToListxml(Models.Internal.Extension? item)
+        private static Models.Listxml.Extension? ConvertToListxml(Models.Internal.Extension? item)
         {
             if (item == null)
                 return null;
@@ -1252,7 +1252,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Feature"/> to <cref="Models.Listxml.Feature"/>
         /// </summary>
-        public static Models.Listxml.Feature? ConvertToListxml(Models.Internal.Feature? item)
+        private static Models.Listxml.Feature? ConvertToListxml(Models.Internal.Feature? item)
         {
             if (item == null)
                 return null;
@@ -1269,7 +1269,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Input"/> to <cref="Models.Listxml.Input"/>
         /// </summary>
-        public static Models.Listxml.Input? ConvertToListxml(Models.Internal.Input? item)
+        private static Models.Listxml.Input? ConvertToListxml(Models.Internal.Input? item)
         {
             if (item == null)
                 return null;
@@ -1293,7 +1293,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Instance"/> to <cref="Models.Listxml.Instance"/>
         /// </summary>
-        public static Models.Listxml.Instance? ConvertToListxml(Models.Internal.Instance? item)
+        private static Models.Listxml.Instance? ConvertToListxml(Models.Internal.Instance? item)
         {
             if (item == null)
                 return null;
@@ -1309,7 +1309,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Port"/> to <cref="Models.Listxml.Port"/>
         /// </summary>
-        public static Models.Listxml.Port? ConvertToListxml(Models.Internal.Port? item)
+        private static Models.Listxml.Port? ConvertToListxml(Models.Internal.Port? item)
         {
             if (item == null)
                 return null;
@@ -1328,7 +1328,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.RamOption"/> to <cref="Models.Listxml.RamOption"/>
         /// </summary>
-        public static Models.Listxml.RamOption? ConvertToListxml(Models.Internal.RamOption? item)
+        private static Models.Listxml.RamOption? ConvertToListxml(Models.Internal.RamOption? item)
         {
             if (item == null)
                 return null;
@@ -1344,7 +1344,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.Listxml.Rom"/>
         /// </summary>
-        public static Models.Listxml.Rom? ConvertToListxml(Models.Internal.Rom? item)
+        private static Models.Listxml.Rom? ConvertToListxml(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -1370,7 +1370,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Sample"/> to <cref="Models.Listxml.Sample"/>
         /// </summary>
-        public static Models.Listxml.Sample? ConvertToListxml(Models.Internal.Sample? item)
+        private static Models.Listxml.Sample? ConvertToListxml(Models.Internal.Sample? item)
         {
             if (item == null)
                 return null;
@@ -1385,7 +1385,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Slot"/> to <cref="Models.Listxml.Slot"/>
         /// </summary>
-        public static Models.Listxml.Slot? ConvertToListxml(Models.Internal.Slot? item)
+        private static Models.Listxml.Slot? ConvertToListxml(Models.Internal.Slot? item)
         {
             if (item == null)
                 return null;
@@ -1404,7 +1404,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.SlotOption"/> to <cref="Models.Listxml.SlotOption"/>
         /// </summary>
-        public static Models.Listxml.SlotOption? ConvertToListxml(Models.Internal.SlotOption? item)
+        private static Models.Listxml.SlotOption? ConvertToListxml(Models.Internal.SlotOption? item)
         {
             if (item == null)
                 return null;
@@ -1421,7 +1421,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.SoftwareList"/> to <cref="Models.Listxml.SoftwareList"/>
         /// </summary>
-        public static Models.Listxml.SoftwareList? ConvertToListxml(Models.Internal.SoftwareList? item)
+        private static Models.Listxml.SoftwareList? ConvertToListxml(Models.Internal.SoftwareList? item)
         {
             if (item == null)
                 return null;
@@ -1439,7 +1439,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Sound"/> to <cref="Models.Listxml.Sound"/>
         /// </summary>
-        public static Models.Listxml.Sound? ConvertToListxml(Models.Internal.Sound? item)
+        private static Models.Listxml.Sound? ConvertToListxml(Models.Internal.Sound? item)
         {
             if (item == null)
                 return null;
@@ -1454,7 +1454,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Video"/> to <cref="Models.Listxml.Video"/>
         /// </summary>
-        public static Models.Listxml.Video? ConvertToListxml(Models.Internal.Video? item)
+        private static Models.Listxml.Video? ConvertToListxml(Models.Internal.Video? item)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.Logiqx.cs b/SabreTools.Serialization/Internal.Logiqx.cs
index f21aa8ae..57009074 100644
--- a/SabreTools.Serialization/Internal.Logiqx.cs
+++ b/SabreTools.Serialization/Internal.Logiqx.cs
@@ -377,7 +377,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Archive"/> to <cref="Models.Logiqx.Archive"/>
         /// </summary>
-        public static Models.Logiqx.Archive? ConvertToLogiqx(Models.Internal.Archive? item)
+        private static Models.Logiqx.Archive? ConvertToLogiqx(Models.Internal.Archive? item)
         {
             if (item == null)
                 return null;
@@ -392,7 +392,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.BiosSet"/> to <cref="Models.Logiqx.BiosSet"/>
         /// </summary>
-        public static Models.Logiqx.BiosSet? ConvertToLogiqx(Models.Internal.BiosSet? item)
+        private static Models.Logiqx.BiosSet? ConvertToLogiqx(Models.Internal.BiosSet? item)
         {
             if (item == null)
                 return null;
@@ -409,7 +409,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.DeviceRef"/> to <cref="Models.Logiqx.DeviceRef"/>
         /// </summary>
-        public static Models.Logiqx.DeviceRef? ConvertToLogiqx(Models.Internal.DeviceRef? item)
+        private static Models.Logiqx.DeviceRef? ConvertToLogiqx(Models.Internal.DeviceRef? item)
         {
             if (item == null)
                 return null;
@@ -424,7 +424,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Disk"/> to <cref="Models.Logiqx.Disk"/>
         /// </summary>
-        public static Models.Logiqx.Disk? ConvertToLogiqx(Models.Internal.Disk? item)
+        private static Models.Logiqx.Disk? ConvertToLogiqx(Models.Internal.Disk? item)
         {
             if (item == null)
                 return null;
@@ -444,7 +444,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Driver"/> to <cref="Models.Logiqx.Driver"/>
         /// </summary>
-        public static Models.Logiqx.Driver? ConvertToLogiqx(Models.Internal.Driver? item)
+        private static Models.Logiqx.Driver? ConvertToLogiqx(Models.Internal.Driver? item)
         {
             if (item == null)
                 return null;
@@ -466,7 +466,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Media"/> to <cref="Models.Logiqx.Media"/>
         /// </summary>
-        public static Models.Logiqx.Media? ConvertToLogiqx(Models.Internal.Media? item)
+        private static Models.Logiqx.Media? ConvertToLogiqx(Models.Internal.Media? item)
         {
             if (item == null)
                 return null;
@@ -485,7 +485,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Release"/> to <cref="Models.Logiqx.Release"/>
         /// </summary>
-        public static Models.Logiqx.Release? ConvertToLogiqx(Models.Internal.Release? item)
+        private static Models.Logiqx.Release? ConvertToLogiqx(Models.Internal.Release? item)
         {
             if (item == null)
                 return null;
@@ -504,7 +504,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.Logiqx.Rom"/>
         /// </summary>
-        public static Models.Logiqx.Rom? ConvertToLogiqx(Models.Internal.Rom? item)
+        private static Models.Logiqx.Rom? ConvertToLogiqx(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -536,7 +536,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Sample"/> to <cref="Models.Logiqx.Sample"/>
         /// </summary>
-        public static Models.Logiqx.Sample? ConvertToLogiqx(Models.Internal.Sample? item)
+        private static Models.Logiqx.Sample? ConvertToLogiqx(Models.Internal.Sample? item)
         {
             if (item == null)
                 return null;
@@ -551,7 +551,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.SoftwareList"/> to <cref="Models.Logiqx.SoftwareList"/>
         /// </summary>
-        public static Models.Logiqx.SoftwareList? ConvertToLogiqx(Models.Internal.SoftwareList? item)
+        private static Models.Logiqx.SoftwareList? ConvertToLogiqx(Models.Internal.SoftwareList? item)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.OfflineList.cs b/SabreTools.Serialization/Internal.OfflineList.cs
index b073f140..b55f9f0e 100644
--- a/SabreTools.Serialization/Internal.OfflineList.cs
+++ b/SabreTools.Serialization/Internal.OfflineList.cs
@@ -110,26 +110,10 @@ namespace SabreTools.Serialization
             return game;
         }
 
-        /// <summary>
-        /// Convert from an array of <cref="Models.Internal.Rom"/> to <cref="Models.OfflineList.FileRomCRC"/>
-        /// </summary>
-        public static Models.OfflineList.Files? ConvertToOfflineList(Models.Internal.Rom[]? items)
-        {
-            if (items == null)
-                return null;
-
-            var romCRCs = new List<Models.OfflineList.FileRomCRC>();
-            foreach (var item in items)
-            {
-                romCRCs.Add(ConvertToOfflineList(item));
-            }
-            return new Models.OfflineList.Files() { RomCRC = romCRCs.ToArray() };
-        }
-
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.OfflineList.FileRomCRC"/>
         /// </summary>
-        public static Models.OfflineList.FileRomCRC? ConvertToOfflineList(Models.Internal.Rom? item)
+        private static Models.OfflineList.FileRomCRC? ConvertToOfflineList(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.OpenMSX.cs b/SabreTools.Serialization/Internal.OpenMSX.cs
index df220ec5..8280a04f 100644
--- a/SabreTools.Serialization/Internal.OpenMSX.cs
+++ b/SabreTools.Serialization/Internal.OpenMSX.cs
@@ -125,7 +125,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Dump"/> to <cref="Models.OpenMSX.Dump"/>
         /// </summary>
-        public static Models.OpenMSX.Dump? ConvertToOpenMSX(Models.Internal.Dump? item)
+        private static Models.OpenMSX.Dump? ConvertToOpenMSX(Models.Internal.Dump? item)
         {
             if (item == null)
                 return null;
@@ -139,10 +139,10 @@ namespace SabreTools.Serialization
             dump.Rom = ConvertToOpenMSXRom(rom);
 
             var megaRom = item.Read<Models.Internal.Rom>(Models.Internal.Dump.MegaRomKey);
-            dump.Rom = ConvertToOpenMSXRom(megaRom);
+            dump.Rom = ConvertToOpenMSXMegaRom(megaRom);
 
             var sccPlusCart = item.Read<Models.Internal.Rom>(Models.Internal.Dump.SCCPlusCartKey);
-            dump.Rom = ConvertToOpenMSXRom(sccPlusCart);
+            dump.Rom = ConvertToOpenMSXSCCPlusCart(sccPlusCart);
 
             return dump;
         }
@@ -150,7 +150,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.OpenMSX.MegaRom"/>
         /// </summary>
-        public static Models.OpenMSX.MegaRom? ConvertToOpenMSXMegaRom(Models.Internal.Rom? item)
+        private static Models.OpenMSX.MegaRom? ConvertToOpenMSXMegaRom(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -168,7 +168,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Original"/> to <cref="Models.OpenMSX.Original"/>
         /// </summary>
-        public static Models.OpenMSX.Original? ConvertToOpenMSX(Models.Internal.Original? item)
+        private static Models.OpenMSX.Original? ConvertToOpenMSX(Models.Internal.Original? item)
         {
             if (item == null)
                 return null;
@@ -184,7 +184,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.OpenMSX.Rom"/>
         /// </summary>
-        public static Models.OpenMSX.Rom? ConvertToOpenMSXRom(Models.Internal.Rom? item)
+        private static Models.OpenMSX.Rom? ConvertToOpenMSXRom(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -202,7 +202,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.OpenMSX.SCCPlusCart"/>
         /// </summary>
-        public static Models.OpenMSX.SCCPlusCart? ConvertToOpenMSXSCCPlusCart(Models.Internal.Rom? item)
+        private static Models.OpenMSX.SCCPlusCart? ConvertToOpenMSXSCCPlusCart(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.RomCenter.cs b/SabreTools.Serialization/Internal.RomCenter.cs
index 4a4ca189..3673758a 100644
--- a/SabreTools.Serialization/Internal.RomCenter.cs
+++ b/SabreTools.Serialization/Internal.RomCenter.cs
@@ -60,7 +60,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.RomCenter.Rom"/>
         /// </summary>
-        public static Models.RomCenter.Rom? ConvertToRomCenter(Models.Internal.Rom? item, Models.Internal.Machine? parent)
+        private static Models.RomCenter.Rom? ConvertToRomCenter(Models.Internal.Rom? item, Models.Internal.Machine? parent)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.SeparatedValue.cs b/SabreTools.Serialization/Internal.SeparatedValue.cs
index 55f84909..ebeef684 100644
--- a/SabreTools.Serialization/Internal.SeparatedValue.cs
+++ b/SabreTools.Serialization/Internal.SeparatedValue.cs
@@ -111,7 +111,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Disk"/> to <cref="Models.SeparatedValue.Row"/>
         /// </summary>
-        public static Models.SeparatedValue.Row? ConvertToSeparatedValue(Models.Internal.Disk? item, Models.Internal.Machine? parent)
+        private static Models.SeparatedValue.Row? ConvertToSeparatedValue(Models.Internal.Disk? item, Models.Internal.Machine? parent)
         {
             if (item == null)
                 return null;
@@ -132,7 +132,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Media"/> to <cref="Models.SeparatedValue.Row"/>
         /// </summary>
-        public static Models.SeparatedValue.Row? ConvertToSeparatedValue(Models.Internal.Media? item, Models.Internal.Machine? parent)
+        private static Models.SeparatedValue.Row? ConvertToSeparatedValue(Models.Internal.Media? item, Models.Internal.Machine? parent)
         {
             if (item == null)
                 return null;
@@ -154,7 +154,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.SeparatedValue.Row"/>
         /// </summary>
-        public static Models.SeparatedValue.Row? ConvertToSeparatedValue(Models.Internal.Rom? item, Models.Internal.Machine? parent)
+        private static Models.SeparatedValue.Row? ConvertToSeparatedValue(Models.Internal.Rom? item, Models.Internal.Machine? parent)
         {
             if (item == null)
                 return null;
diff --git a/SabreTools.Serialization/Internal.SoftwareList.cs b/SabreTools.Serialization/Internal.SoftwareList.cs
index 1ba6fbe4..8d81dc5b 100644
--- a/SabreTools.Serialization/Internal.SoftwareList.cs
+++ b/SabreTools.Serialization/Internal.SoftwareList.cs
@@ -314,7 +314,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.DataArea"/> to <cref="Models.SoftwareList.DataArea"/>
         /// </summary>
-        public static Models.SoftwareList.DataArea? ConvertToSoftwareList(Models.Internal.DataArea? item)
+        private static Models.SoftwareList.DataArea? ConvertToSoftwareList(Models.Internal.DataArea? item)
         {
             if (item == null)
                 return null;
@@ -336,7 +336,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.DipSwitch"/> to <cref="Models.SoftwareList.DipSwitch"/>
         /// </summary>
-        public static Models.SoftwareList.DipSwitch? ConvertToSoftwareList(Models.Internal.DipSwitch? item)
+        private static Models.SoftwareList.DipSwitch? ConvertToSoftwareList(Models.Internal.DipSwitch? item)
         {
             if (item == null)
                 return null;
@@ -357,7 +357,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.DipValue"/> to <cref="Models.SoftwareList.DipValue"/>
         /// </summary>
-        public static Models.SoftwareList.DipValue? ConvertToSoftwareList(Models.Internal.DipValue? item)
+        private static Models.SoftwareList.DipValue? ConvertToSoftwareList(Models.Internal.DipValue? item)
         {
             if (item == null)
                 return null;
@@ -374,7 +374,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Disk"/> to <cref="Models.SoftwareList.Disk"/>
         /// </summary>
-        public static Models.SoftwareList.Disk? ConvertToSoftwareList(Models.Internal.Disk? item)
+        private static Models.SoftwareList.Disk? ConvertToSoftwareList(Models.Internal.Disk? item)
         {
             if (item == null)
                 return null;
@@ -393,7 +393,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.DiskArea"/> to <cref="Models.SoftwareList.DiskArea"/>
         /// </summary>
-        public static Models.SoftwareList.DiskArea? ConvertToSoftwareList(Models.Internal.DiskArea? item)
+        private static Models.SoftwareList.DiskArea? ConvertToSoftwareList(Models.Internal.DiskArea? item)
         {
             if (item == null)
                 return null;
@@ -412,7 +412,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Feature"/> to <cref="Models.SoftwareList.Feature"/>
         /// </summary>
-        public static Models.SoftwareList.Feature? ConvertToSoftwareList(Models.Internal.Feature? item)
+        private static Models.SoftwareList.Feature? ConvertToSoftwareList(Models.Internal.Feature? item)
         {
             if (item == null)
                 return null;
@@ -428,7 +428,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Info"/> to <cref="Models.SoftwareList.Info"/>
         /// </summary>
-        public static Models.SoftwareList.Info? ConvertToSoftwareList(Models.Internal.Info? item)
+        private static Models.SoftwareList.Info? ConvertToSoftwareList(Models.Internal.Info? item)
         {
             if (item == null)
                 return null;
@@ -444,7 +444,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Part"/> to <cref="Models.SoftwareList.Part"/>
         /// </summary>
-        public static Models.SoftwareList.Part? ConvertToSoftwareList(Models.Internal.Part? item)
+        private static Models.SoftwareList.Part? ConvertToSoftwareList(Models.Internal.Part? item)
         {
             if (item == null)
                 return null;
@@ -473,7 +473,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.Rom"/> to <cref="Models.SoftwareList.Rom"/>
         /// </summary>
-        public static Models.SoftwareList.Rom? ConvertToSoftwareList(Models.Internal.Rom? item)
+        private static Models.SoftwareList.Rom? ConvertToSoftwareList(Models.Internal.Rom? item)
         {
             if (item == null)
                 return null;
@@ -496,7 +496,7 @@ namespace SabreTools.Serialization
         /// <summary>
         /// Convert from <cref="Models.Internal.SharedFeat"/> to <cref="Models.SoftwareList.SharedFeat"/>
         /// </summary>
-        public static Models.SoftwareList.SharedFeat? ConvertToSoftwareList(Models.Internal.SharedFeat? item)
+        private static Models.SoftwareList.SharedFeat? ConvertToSoftwareList(Models.Internal.SharedFeat? item)
         {
             if (item == null)
                 return null;