The expression return array_values(parent::getItems()) returns the type array which is incompatible with the documented return type Inspirum\Arrayable\list.
The expression return array_values(parent::__toArray()) returns the type array which is incompatible with the documented return type Inspirum\Arrayable\list.
The expression return array_values(parent::toArray()) returns the type array which is incompatible with the documented return type Inspirum\Arrayable\list.
The expression return array_values(parent::jsonSerialize()) returns the type array which is incompatible with the documented return type Inspirum\Arrayable\list.