interface ValidatorInterface

interface ValidatorInterface extends MetadataFactoryInterface {
    
    /**
     * Validates a value against a constraint or a list of constraints.
     *
     * If no constraint is passed, the constraint
     * {@link \Symfony\Component\Validator\Constraints\Valid} is assumed.
     *
     * @param Constraint|Constraint[]                               $constraints The constraint(s) to validate against
     * @param string|GroupSequence|array<string|GroupSequence>|null $groups      The validation groups to validate. If none is given, "Default" is assumed
     *
     * @return ConstraintViolationListInterface A list of constraint violations
     *                                          If the list is empty, validation
     *                                          succeeded
     */
    public function validate(mixed $value, Constraint|array|null $constraints = null, string|GroupSequence|array|null $groups = null) : ConstraintViolationListInterface;
    
    /**
     * Validates a property of an object against the constraints specified
     * for this property.
     *
     * @param string                                                $propertyName The name of the validated property
     * @param string|GroupSequence|array<string|GroupSequence>|null $groups       The validation groups to validate. If none is given, "Default" is assumed
     *
     * @return ConstraintViolationListInterface A list of constraint violations
     *                                          If the list is empty, validation
     *                                          succeeded
     */
    public function validateProperty(object $object, string $propertyName, string|GroupSequence|array|null $groups = null) : ConstraintViolationListInterface;
    
    /**
     * Validates a value against the constraints specified for an object's
     * property.
     *
     * @param object|string                                         $objectOrClass The object or its class name
     * @param string                                                $propertyName  The name of the property
     * @param mixed                                                 $value         The value to validate against the property's constraints
     * @param string|GroupSequence|array<string|GroupSequence>|null $groups        The validation groups to validate. If none is given, "Default" is assumed
     *
     * @return ConstraintViolationListInterface A list of constraint violations
     *                                          If the list is empty, validation
     *                                          succeeded
     */
    public function validatePropertyValue(object|string $objectOrClass, string $propertyName, mixed $value, string|GroupSequence|array|null $groups = null) : ConstraintViolationListInterface;
    
    /**
     * Starts a new validation context and returns a validator for that context.
     *
     * The returned validator collects all violations generated within its
     * context. You can access these violations with the
     * {@link ContextualValidatorInterface::getViolations()} method.
     */
    public function startContext() : ContextualValidatorInterface;
    
    /**
     * Returns a validator in the given execution context.
     *
     * The returned validator adds all generated violations to the given
     * context.
     */
    public function inContext(ExecutionContextInterface $context) : ContextualValidatorInterface;

}