interface ValidatorInterface

interface ValidatorInterface {
    
    /**
     * Returns the regular expression pattern used by this validator
     *
     * @return string The regular expression pattern this validator uses
     *
     * @psalm-return non-empty-string
     */
    public function getPattern() : string;
    
    /**
     * Returns true if the provided string represents a UUID
     *
     * @param string $uuid The string to validate as a UUID
     *
     * @return bool True if the string is a valid UUID, false otherwise
     */
    public function validate(string $uuid) : bool;

}