Fix

Author: samsonasik

rules/TypeDeclaration/NodeAnalyzer/CallTypesResolver.php

@@ -228,6 +228,14 @@ private function isEmptyArray(Expr $expr): bool
     private function isArrayMixedMixedType(Type $type): bool
     {
         if (! $type instanceof ArrayType) {
+            if ($type instanceof UnionType) {
+                foreach ($type->getTypes() as $subType) {
+                    if ($subType instanceof ArrayType && $this->isArrayMixedMixedType($subType)) {
+                        return true;
+                    }
+                }
+            }
+
             return false;
         }