Extracted ICodedInputStream interface
diff --git a/src/ProtocolBuffers/CodedInputStream.cs b/src/ProtocolBuffers/CodedInputStream.cs
index 92e547f..74fa947 100644
--- a/src/ProtocolBuffers/CodedInputStream.cs
+++ b/src/ProtocolBuffers/CodedInputStream.cs
@@ -58,7 +58,7 @@
/// TODO(jonskeet): Consider whether recursion and size limits shouldn't be readonly,
/// set at construction time.
/// </remarks>
- public sealed partial class CodedInputStream
+ public sealed partial class CodedInputStream : ICodedInputStream
{
private readonly byte[] buffer;
private int bufferSize;