From c003ee8676e3256d6a25bd7a486abc260ef6c8e4 Mon Sep 17 00:00:00 2001
From: Alexander Jesner <alexander.jesner@anton-paar.com>
Date: Sat, 19 Oct 2024 21:22:30 +0200
Subject: [PATCH] Chore: seal internal classes

---
 src/GraphQLParser/AST/GraphQLComment.cs  | 2 +-
 src/GraphQLParser/Visitors/SDLPrinter.cs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/GraphQLParser/AST/GraphQLComment.cs b/src/GraphQLParser/AST/GraphQLComment.cs
index e58572cf..b53469d8 100644
--- a/src/GraphQLParser/AST/GraphQLComment.cs
+++ b/src/GraphQLParser/AST/GraphQLComment.cs
@@ -25,7 +25,7 @@ public GraphQLComment(ROM value)
     public ROM Value { get; internal set; }
 }
 
-internal class GraphQLCommentWithLocation : GraphQLComment
+internal sealed class GraphQLCommentWithLocation : GraphQLComment
 {
     public override GraphQLLocation Location { get; set; }
 
diff --git a/src/GraphQLParser/Visitors/SDLPrinter.cs b/src/GraphQLParser/Visitors/SDLPrinter.cs
index 0b8b46c7..62749916 100644
--- a/src/GraphQLParser/Visitors/SDLPrinter.cs
+++ b/src/GraphQLParser/Visitors/SDLPrinter.cs
@@ -1217,7 +1217,7 @@ public class SDLPrinterOptions
 /// for indentation purposes. Any literal printed first after optional comment or description nodes in
 /// any VisitXXX method should be wrapped into <see cref="LiteralNode"/> for proper indentation.
 /// </summary>
-internal class LiteralNode : ASTNode
+internal sealed class LiteralNode : ASTNode
 {
     [ThreadStatic]
     internal static LiteralNode? _shared;