RefType is no more, 1) simplify, 2) repeat
diff --git a/Coordinator.h b/Coordinator.h
index bc74932..6cb8901 100644
--- a/Coordinator.h
+++ b/Coordinator.h
@@ -11,7 +11,7 @@
 
 struct AST;
 struct FQName;
-struct RefType;
+struct Type;
 
 struct Coordinator {
     Coordinator(const std::string &interfacesPath);
@@ -19,7 +19,7 @@
 
     AST *parse(const FQName &fqName);
 
-    RefType *lookupType(const FQName &fqName) const;
+    Type *lookupType(const FQName &fqName) const;
 
     std::string getPackagePath(
             const FQName &fqName, bool relative = false) const;