\begin{code}
module TcIface where
-import IfaceSyn ( IfaceDecl )
+import IfaceSyn ( IfaceDecl, IfaceInst, IfaceRule )
import TypeRep ( TyThing )
import TcRnTypes ( IfL )
+import InstEnv ( Instance )
+import CoreSyn ( CoreRule )
tcIfaceDecl :: IfaceDecl -> IfL TyThing
+tcIfaceInst :: IfaceInst -> IfL Instance
+tcIfaceRule :: IfaceRule -> IfL CoreRule
\end{code}