Document everything, and turn on errors if we fail to document anything in the future.
diff --git a/csharp/src/Google.Protobuf/CodedInputStream.cs b/csharp/src/Google.Protobuf/CodedInputStream.cs
index f2e1d66..a1abfcb 100644
--- a/csharp/src/Google.Protobuf/CodedInputStream.cs
+++ b/csharp/src/Google.Protobuf/CodedInputStream.cs
@@ -66,7 +66,7 @@
internal const int DefaultRecursionLimit = 64;
internal const int DefaultSizeLimit = 64 << 20; // 64MB
- public const int BufferSize = 4096;
+ internal const int BufferSize = 4096;
/// <summary>
/// The total number of bytes read before the current buffer. The