Simplify matcher
diff --git a/mapper/mapper.go b/mapper/mapper.go
index 15e3984..9d32042 100644
--- a/mapper/mapper.go
+++ b/mapper/mapper.go
@@ -186,8 +186,8 @@
 		return nil, fmt.Errorf("failed to serialize AST to JSON: %w", err)
 	}
 
-	// Parse the JSON string back into an interface{}
-	var resultData interface{}
+	// Parse the JSON string back into
+	var resultData any
 	if err := json.Unmarshal(resultBytes, &resultData); err != nil {
 		return nil, fmt.Errorf("failed to parse result JSON: %w", err)
 	}