From 7fa9c756fc09225982c022ca30fa3558b31d0272 Mon Sep 17 00:00:00 2001
From: Shad Storhaug <shad@shadstorhaug.com>
Date: Fri, 9 Feb 2024 22:52:44 +0700
Subject: [PATCH] BREAKING: Lucene.Net.Search.FieldComparer: Added internal
 constructor so users upgrading from older versions of Lucene.NET don't
 attempt to use this class and instead use the Lucene equivalent class,
 FieldComparer<T>.

---
 src/Lucene.Net/Search/FieldComparator.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Lucene.Net/Search/FieldComparator.cs b/src/Lucene.Net/Search/FieldComparator.cs
index 6a63151cdc..11a7078292 100644
--- a/src/Lucene.Net/Search/FieldComparator.cs
+++ b/src/Lucene.Net/Search/FieldComparator.cs
@@ -251,6 +251,9 @@ public override int CompareValues(object first, object second)
     // type parameter to access these nested types. Also moving non-generic methods here for casting without generics.
     public abstract class FieldComparer
     {
+        // LUCENENET: This class is not intended for user subclassing. Use FieldComparer<T> instead.
+        internal FieldComparer() { }
+
         /// <summary>
         /// Returns -1 if first is less than second. Default
         /// implementation to assume the type implements <see cref="IComparable{T}"/> and