Remove KeyComparer property from OpenApiWriterSettings

src/Microsoft.OpenApi/Writers/OpenApiWriterExtensions.cs

@@ -20,7 +20,7 @@
         /// <param name="writer">The writer.</param>
         /// <param name="name">The property name.</param>
         /// <param name="value">The property value.</param>
         public static void WriteProperty(this IOpenApiWriter writer, string name, string? value)
         {
             if (value == null)
             {
@@ -139,7 +139,7 @@
             T? value,
             Action<IOpenApiWriter, T> action)
         {
             if (value != null)
             {
                 if (value is IEnumerable values && !values.GetEnumerator().MoveNext())
                 {
@@ -167,7 +167,7 @@
             Utils.CheckArgumentNull(action);
 
             writer.WritePropertyName(name);
             if (value != null)
             {
                 action(writer, value);
             }
@@ -262,7 +262,7 @@
         /// <param name="name">The property name.</param>
         /// <param name="elements">The map values.</param>
         /// <param name="action">The map element writer action.</param>
         public static void WriteRequiredMap(
             this IOpenApiWriter writer,
             string name,
             IDictionary<string, string>? elements,
@@ -419,16 +419,9 @@
             writer.WriteStartArray();
             if (elements != null)
             {
-                var settings = writer.GetSettings();
-
-                if (settings?.KeyComparer is IComparer<T> typedComparer)
-                {
-                    elements = elements.Sort(typedComparer);
-                }
-
                 foreach (var item in elements)
                 {
                     if (item != null)
                     {
                         action(writer, item);
                     }
@@ -464,16 +457,10 @@
 
             if (elements != null)
             {
-                var settings = writer.GetSettings();
-                if (settings?.KeyComparer != null)
-                {
-                    elements = elements.Sort(settings.KeyComparer); // sort using custom comparer
-                }
-
                 foreach (var item in elements)
                 {
                     writer.WritePropertyName(item.Key);
                     if (item.Value != null)
                     {
                         action(writer, item.Key, item.Value);
                     }

src/Microsoft.OpenApi/Writers/OpenApiWriterSettings.cs

@@ -1,6 +1,4 @@
-using System.Collections.Generic;
-
-namespace Microsoft.OpenApi
+namespace Microsoft.OpenApi
 {
     /// <summary>
     /// Configuration settings to control how OpenAPI documents are written
@@ -23,10 +21,5 @@ internal bool ShouldInlineReference(OpenApiReference reference)
             return (reference.IsLocal && InlineLocalReferences)
                              || (reference.IsExternal && InlineExternalReferences);
         }
-
-        /// <summary>  
-        /// Specifies a comparer used to sort string-based collection keys, such as components or tags.
-        /// </summary>  
-        public IComparer<string>? KeyComparer { get; set; }
     }
 }