Applied PR feedback.

Author: azchohfi

Microsoft.Toolkit.Services/Services/Twitter/TwitterCoordinatesConverter.cs

@@ -18,11 +18,11 @@ public override bool CanConvert(Type objectType)
             return false;
         }
 
-        private readonly JsonConverter<double> _doubleConverter;
+        private readonly JsonConverter<double> doubleConverter;
 
         public TwitterCoordinatesConverter(JsonSerializerOptions options)
         {
-            _doubleConverter = options?.GetConverter(typeof(double)) as JsonConverter<double> ?? throw new InvalidOperationException();
+            doubleConverter = options?.GetConverter(typeof(double)) as JsonConverter<double> ?? throw new InvalidOperationException();
         }
 
         public override TwitterCoordinates Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
@@ -104,7 +104,7 @@ public override TwitterCoordinates Read(ref Utf8JsonReader reader, Type typeToCo
         private double ReadProperty(ref Utf8JsonReader reader, JsonSerializerOptions options)
         {
             reader.Read();
-            return _doubleConverter.Read(ref reader, typeof(double), options);
+            return doubleConverter.Read(ref reader, typeof(double), options);
         }
 
         public override void Write(Utf8JsonWriter writer, TwitterCoordinates value, JsonSerializerOptions options)

Microsoft.Toolkit.Uwp.UI.Controls/InfiniteCanvas/Drawables/InkDrawable.cs

@@ -30,6 +30,7 @@ internal class InkDrawable : IDrawable
 
         internal static readonly InkStrokeBuilder StrokeBuilder = new InkStrokeBuilder();
 
+        // Don't remove! Used for deserialization.
         public InkDrawable()
         {
         }

Microsoft.Toolkit.Uwp.UI.Controls/InfiniteCanvas/Drawables/TextDrawable.cs

@@ -32,6 +32,7 @@ internal class TextDrawable : IDrawable
 
         public bool IsItalic { get; set; }
 
+        // Don't remove! Used for deserialization.
         public TextDrawable()
         {
         }

Microsoft.Toolkit.Uwp.UI.Controls/InfiniteCanvas/JsonConverters/IDrawableConverter.cs

@@ -11,10 +11,6 @@ namespace Microsoft.Toolkit.Uwp.UI.Controls
 {
     internal class IDrawableConverter : JsonConverter<IDrawable>
     {
-        public IDrawableConverter()
-        {
-        }
-
         public override bool CanConvert(Type typeToConvert) => typeof(IDrawable).IsAssignableFrom(typeToConvert);
 
         public override IDrawable Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)