composer.json

@@ -13,8 +13,7 @@
         "php": "^8.4",
         "php-di/php-di": "dev-master",
         "ext-json": "*",
-        "ext-pdo": "*",
+        "mcnd/lean": "dev-master"
-        "mcnd/lean": "1.4.2"
     },
     "repositories": [
         {

src/Attribute/ContextField.php

@@ -18,7 +18,7 @@ class ContextField
         public ?int $minValue = null,
         public ?int $maxValue = null,
         public ?string $regexFormat = null,
-        public mixed $example = null,
+        public ?string $example = null,
         public mixed $default = null,
         public bool $hidden = false,
     ) {}