Fixed nits.

src/Avalonia.Diagnostics/Diagnostics/Models/ConsoleHistoryItem.cs

@@ -3,7 +3,7 @@ using Avalonia.Media;
 
 namespace Avalonia.Diagnostics.Models
 {
-    public class ConsoleHistoryItem
+    internal class ConsoleHistoryItem
     {
         public ConsoleHistoryItem(string input, object output)
         {

src/Avalonia.Diagnostics/Diagnostics/ViewModels/AvaloniaPropertyViewModel.cs

@@ -9,9 +9,7 @@ namespace Avalonia.Diagnostics.ViewModels
         private string _type;
         private object _value;
         private string _priority;
-        private TypeConverter _converter;
         private string _group;
-        private DataGridCollectionView _bindingsView;
 
         public AvaloniaPropertyViewModel(AvaloniaObject o, AvaloniaProperty property)
         {

src/Avalonia.Diagnostics/Diagnostics/ViewModels/ClrPropertyViewModel.cs

@@ -8,7 +8,6 @@ namespace Avalonia.Diagnostics.ViewModels
         private readonly object _target;
         private string _type;
         private object _value;
-        private TypeConverter _converter;
 
         public ClrPropertyViewModel(object o, PropertyInfo property)
         {

src/Avalonia.Diagnostics/Diagnostics/ViewModels/ConsoleViewModel.cs

@@ -10,8 +10,8 @@ namespace Avalonia.Diagnostics.ViewModels
 {
     internal class ConsoleViewModel : ViewModelBase
     {
-        readonly ConsoleContext _context;
+        private readonly ConsoleContext _context;
-        readonly Action<ConsoleContext> _updateContext;
+        private readonly Action<ConsoleContext> _updateContext;
         private int _historyIndex = -1;
         private string _input;
         private bool _isVisible;

src/Avalonia.Diagnostics/Diagnostics/ViewModels/ControlDetailsViewModel.cs

@@ -43,12 +43,6 @@ namespace Avalonia.Diagnostics.ViewModels
             }
         }
 
-        public IEnumerable<string> Classes
-        {
-            get;
-            private set;
-        }
-
         public DataGridCollectionView PropertiesView { get; }
 
         public string PropertyFilter
@@ -166,7 +160,7 @@ namespace Avalonia.Diagnostics.ViewModels
                 }
                 else
                 {
-                    return string.Compare(x.Name, y.Name);
+                    return string.CompareOrdinal(x.Name, y.Name);
                 }
             }
 

src/Avalonia.Diagnostics/Diagnostics/ViewModels/TreePageViewModel.cs

@@ -79,7 +79,7 @@ namespace Avalonia.Diagnostics.ViewModels
                 {
                     control = control.GetVisualParent<IControl>();
                 }
-            }            
+            }
 
             if (node != null)
             {

src/Avalonia.Diagnostics/Diagnostics/ViewModels/ViewModelBase.cs

@@ -5,7 +5,7 @@ using System.Runtime.CompilerServices;
 
 namespace Avalonia.Diagnostics.ViewModels
 {
-    public class ViewModelBase : INotifyPropertyChanged
+    internal class ViewModelBase : INotifyPropertyChanged
     {
         private PropertyChangedEventHandler _propertyChanged;
         private List<string> events = new List<string>();

src/Avalonia.Diagnostics/Diagnostics/Views/EventsPageView.xaml.cs

@@ -8,7 +8,7 @@ using Avalonia.Markup.Xaml;
 
 namespace Avalonia.Diagnostics.Views
 {
-    public class EventsPageView : UserControl
+    internal class EventsPageView : UserControl
     {
         private readonly ListBox _events;