void __construct(string $table, string $column = 'NULL') Create a new exists

PresenceVerifierInterface interface PresenceVerifierInterface (

void addReplacers(array $replacers) Register an array of custom validator

PresenceVerifierInterface getPresenceVerifier()

int getCount(string $collection, string $column, string $value, int $excludeId = null, string $idColumn = null, array $extra = array())

void __construct(Application $app)

static Unique unique(string $table, string $column

$this ignore(mixed $id, string $idColumn = 'id') Ignore the given ID during

void __construct(Validator $validator, Response

TranslatorInterface getTranslator() Get the Translator implementation.