src/TraitBuilder.ts

@@ -20,6 +20,7 @@ type ImplSuper<This> = (
                     ]>
                 >
             > &
+
             Simplify<
                 ExtendPlain<[
                     StaticAbstract,
@@ -89,6 +90,7 @@ export class TraitBuilder<
                         >
                     >
                 > &
+
                 Simplify<
                     Omit<
                         StaticMembers<ImplClassWithAbstract>,
@@ -111,7 +113,7 @@ export class TraitBuilder<
 
 export const trait = new TraitBuilder(
     new TraitExpression(TraitExpression.NullSuperclass, []),
-    {},
-    {},
-    Super => class extends Super {},
+    {} as object,
+    {} as object,
+    Super => class extends Super {} as AbstractClass<object>,
 )