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src/ItemsStorage.php:120:13: UndefinedThisPropertyFetch: Instance property Yiisoft\Rbac\Php\ItemsStorage::$items is not defined (see https://psalm.dev/041)

src/ItemsStorage.php:120:13: MixedArrayAssignment: Cannot access array value on mixed variable $this->items[$name] (see https://psalm.dev/117)

src/ItemsStorage.php:120:13: UndefinedThisPropertyAssignment: Instance property Yiisoft\Rbac\Php\ItemsStorage::$items is not defined (see https://psalm.dev/040)

src/ItemsStorage.php:130:25: UndefinedThisPropertyFetch: Instance property Yiisoft\Rbac\Php\ItemsStorage::$children is not defined (see https://psalm.dev/041)

src/ItemsStorage.php:130:25: MixedArrayAccess: Cannot access array value on mixed variable $this->children (see https://psalm.dev/051)

src/ItemsStorage.php:130:25: MixedArrayAssignment: Cannot access array value on mixed variable $this->children[$name] (see https://psalm.dev/117)

src/ItemsStorage.php:130:25: MixedArrayAssignment: Cannot access array value on mixed variable $this->children[$name][$childName] (see https://psalm.dev/117)

src/ItemsStorage.php:130:25: UndefinedThisPropertyAssignment: Instance property Yiisoft\Rbac\Php\ItemsStorage::$children is not defined (see https://psalm.dev/040)

src/ItemsStorage.php:130:62: UndefinedThisPropertyFetch: Instance property Yiisoft\Rbac\Php\ItemsStorage::$items is not defined (see https://psalm.dev/041)