Expose RazorCompletionFactsService.

src/Microsoft.VisualStudio.Editor.Razor/RazorCompletionFactsService.cs

@@ -6,7 +6,7 @@ using Microsoft.AspNetCore.Razor.Language;
 
 namespace Microsoft.VisualStudio.Editor.Razor
 {
-    internal abstract class RazorCompletionFactsService
+    public abstract class RazorCompletionFactsService
     {
         public abstract IReadOnlyList<RazorCompletionItem> GetCompletionItems(RazorSyntaxTree syntaxTree, SourceSpan location);
     }

src/Microsoft.VisualStudio.Editor.Razor/RazorCompletionItem.cs

@@ -5,7 +5,7 @@ using System;
 
 namespace Microsoft.VisualStudio.Editor.Razor
 {
-    internal sealed class RazorCompletionItem
+    public sealed class RazorCompletionItem
     {
         public RazorCompletionItem(
             string displayText, 

src/Microsoft.VisualStudio.Editor.Razor/RazorCompletionItemKind.cs

@@ -3,7 +3,7 @@
 
 namespace Microsoft.VisualStudio.Editor.Razor
 {
-    internal enum RazorCompletionItemKind
+    public enum RazorCompletionItemKind
     {
         Directive
     }