diff --git a/src/tests.ts b/src/tests.ts
index 99f2d9c..7d26ae9 100644
--- a/src/tests.ts
+++ b/src/tests.ts
@@ -1,8 +1,9 @@
+import { AbstractClass } from "type-fest"
 import { Trait, TraitClass } from "./Trait"
 import { trait } from "./TraitBuilder"
 import { Implements, ImplementsStatic, TraitExpression } from "./TraitExpression"
 import { expression } from "./TraitExpressionBuilder"
-import { ExtendPlain } from "./util"
+import { ExtendPlain, StaticMembers } from "./util"
 
 
 const PrintsHelloOnNew = trait
@@ -85,14 +86,17 @@ console.log(new User())
 
 type ExpectsObjectArray<T extends readonly object[]> = T
 
-type Maps<T extends readonly any[]> = {
-    [K in keyof T]: T[K]
+type MapStaticMembers<T extends readonly any[]> = {
+    [K in keyof T]: StaticMembers<T[K]>
 }
 
-type MapTraits<Exp extends TraitExpression<any, any>> = (
+type MapClasses<Classes extends AbstractClass<any>[]> = (
     ExpectsObjectArray<
-        Maps<
-
+        MapStaticMembers<
+            Classes
         >
     >
 )
+
+
+type Output = MapClasses<[typeof User]>