Checks that all references are pointing to a valid service.
- author Johannes M.Schmitt 
CloneableInstantiable
| Methods | 
| public process(Symfony | 
| Properties | 
| protected bool $skipScalars = true | 
| Methods | 
| protected processValue(?mixed $value, bool $isRoot = false) : ?mixed | 
| Properties | 
| private array $serviceLocatorContextIds = [] | 
| Methods | 
| private throwServiceNotFoundException(Symfony |