+#include "HsVersions.h"
+
+-- friends
+import NDPCoreUtils (tupleTyArgs, funTyArgs, parrElemTy, isDefault,
+ isLit, mkPArrTy, mkTuple, isSimpleExpr, boolTy, substIdEnv)
+import FlattenMonad (Flatten, runFlatten, mkBind, extendContext, packContext,
+ liftVar, liftConst, intersectWithContext, mk'fst,
+ mk'lengthP, mk'replicateP, mk'mapP, mk'bpermuteDftP,
+ mk'indexOfP,mk'eq,mk'neq)