string|array getTargets() Returns whether the constraint can be put onto classes, properties

class BicValidator extends

class File extends Constraint

class LessThanValidator extends

string getDefaultOption() Returns the name of the default option. Override this method

class GroupSequenceProvider Annotation to define a group sequence provider.

array getRequiredOptions() Returns the name of the required options. Override this method

class EmailValidator extends

class AbstractComparison extends Constraint

class Null extends IsNull