Exists class Exists (

void addImplicitExtensions(array $extensions) Register an array of custom

string __toString() Convert the rule to a validation string.

void validate() Run the validator's rules against its data.

void commands(array|mixed $commands) Register the package's custom Artisan

$this whereNot(string $column, string $value) Set a "where not" constraint

void setFallbackMessages(array $messages) Set the fallback messages for

void __construct(array $values) Create a new in rule instance.

void setPresenceVerifier(PresenceVerifierInterface

array getData() Get the data under validation.