'', 'ALGORITHM_SHA1' => TwoFAccount::SHA1, 'ALGORITHM_SHA256' => TwoFAccount::SHA256, 'ALGORITHM_SHA512' => TwoFAccount::SHA512, 'ALGORITHM_MD5' => TwoFAccount::MD5 ]; const DIGIT_COUNT = [ 'DIGIT_COUNT_UNSPECIFIED' => '', 'DIGIT_COUNT_SIX' => 6, 'DIGIT_COUNT_EIGHT' => 8 ]; const OTP_TYPE = [ 'OTP_TYPE_UNSPECIFIED' => '', 'OTP_TYPE_HOTP' => TwoFAccount::HOTP, 'OTP_TYPE_TOTP' => TwoFAccount::TOTP ]; private function __construct() {} }