Make non-api classes internal

build.cake

@@ -1,5 +1,5 @@
 // Load the recipe
-#load nuget:?package=NUnit.Cake.Recipe&version=2.0.0-beta.4.9
+#load nuget:?package=NUnit.Cake.Recipe&version=2.0.0-beta.4.19
 // Comment out above line and uncomment below for local tests of recipe changes
 //#load ../NUnit.Cake.Recipe/recipe/*.cake
 

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "9.0.0",
+    "version": "10.0.0",
     "rollForward": "latestFeature"
   }
 }

src/NUnit.Extensibility/AddinsFile.cs

@@ -9,7 +9,7 @@
 
 namespace NUnit.Extensibility
 {
-    public class AddinsFile : List<AddinsFileEntry>
+    internal class AddinsFile : List<AddinsFileEntry>
     {
         public static AddinsFile Read(IFile file)
         {

src/NUnit.Extensibility/AddinsFileEntry.cs

@@ -6,7 +6,7 @@
 namespace NUnit.Extensibility
 {
     // Class representing a single line in an Addins file
-    public class AddinsFileEntry
+    internal class AddinsFileEntry
     {
         public int LineNumber { get; }
         public string RawText { get; }

src/NUnit.Extensibility/Wrappers/ProjectLoaderWrapper.cs

@@ -13,7 +13,7 @@ namespace NUnit.Extensibility.Wrappers
     /// <summary>
     /// Wrapper class for project loaders which use the NUnit3 Engine API
     /// </summary>
-    public class ProjectLoaderWrapper : ExtensionWrapper, IProjectLoader
+    internal class ProjectLoaderWrapper : ExtensionWrapper, IProjectLoader
     {
         public ProjectLoaderWrapper(object projectLoader) : base(projectLoader)
         {

src/NUnit.Extensibility/Wrappers/ResultWriterWrapper.cs

@@ -10,7 +10,7 @@ namespace NUnit.Extensibility.Wrappers
     /// <summary>
     /// Wrapper class for result writers based on the NUnit3 API
     /// </summary>
-    public class ResultWriterWrapper : ExtensionWrapper, IResultWriter
+    internal class ResultWriterWrapper : ExtensionWrapper, IResultWriter
     {
         private static readonly Type[] XmlNodeStringTypes = [typeof(XmlNode), typeof(string)];
         private static readonly Type[] XmlNodeTextWriterTypes = [typeof(XmlNode), typeof(TextWriter)];

src/NUnit.Extensibility/Wrappers/TestEventListenerWrapper.cs

@@ -7,7 +7,7 @@ namespace NUnit.Extensibility.Wrappers
     /// <summary>
     /// Wrapper class for listeners based on the NUnit3 API
     /// </summary>
-    public class TestEventListenerWrapper : ExtensionWrapper, ITestEventListener
+    internal class TestEventListenerWrapper : ExtensionWrapper, ITestEventListener
     {
         public TestEventListenerWrapper(object listener) : base(listener)
         {