Constraint plugin manager. Manages validation constraints based upon \Symfony\Component\Validator\Constraint, whereas Symfony constraints are
public ConstraintManager::create($name, $options)
public ConstraintManager::processDefinition(&$definition
protected ConstraintManager::getDiscovery()
public ConstraintManager::__construct(\Traversable $namespaces
public ConstraintManager::registerDefinitions()
public ConstraintManager::getDefinitionsByType($type)