Support for inheritance of interfaces.
diff --git a/AST.h b/AST.h
index 7f9ca5c..814e9dc 100644
--- a/AST.h
+++ b/AST.h
@@ -14,6 +14,7 @@
 
 struct Coordinator;
 struct Formatter;
+struct Interface;
 struct Method;
 struct NamedType;
 struct TypedVar;
@@ -86,7 +87,7 @@
             Formatter &out, const std::string &baseName) const;
 
     status_t generateStubSourceForMethod(
-            Formatter &out, const Method *method) const;
+            Formatter &out, const Interface *iface, const Method *method) const;
 
     void emitCppReaderWriter(
             Formatter &out,