Drupal\helper\Plugin\Validation\Constraint\FieldListUniqueValues

Checks if a field has duplicate values.

Extend:

Symfony\Component\Validator\Constraint

Name	Description

Name	Description
__construct	Initializes the constraint with options.
__get	Returns the value of a lazily initialized option.
__isset	-
__serialize	Optimizes the serialized value to minimize storage space.
__set	Sets the value of a lazily initialized option.
addImplicitGroupName	Adds the given group if this constraint is in the Default group.
getDefaultOption	Returns the name of the default option.
getErrorName	Returns the name of the given error code.
getRequiredOptions	Returns the name of the required options.
getTargets	Returns whether the constraint can be put onto classes, properties or
both.
validatedBy	Returns the name of the class that validates this constraint.