data/raw/sample/diffs/0002c625a7bcb71aa7c5eecccd7b6d310155bae9.diff

diff --git a/src/coreclr/tools/Common/Internal/Text/Utf8StringBuilder.cs b/src/coreclr/tools/Common/Internal/Text/Utf8StringBuilder.cs
index 88cb8c80994910..d5dfa7c0ba0ed1 100644
--- a/src/coreclr/tools/Common/Internal/Text/Utf8StringBuilder.cs
+++ b/src/coreclr/tools/Common/Internal/Text/Utf8StringBuilder.cs
@@ -16,6 +16,7 @@ public Utf8StringBuilder()
         {
         }
 
+        public ReadOnlySpan<byte> UnderlyingArray => _buffer;
         public int Length => _length;
 
         public Utf8StringBuilder Clear()