NS_ENUM 
 ( 
 NSInteger 
 , 
 RecaptchaActionType 
 ) 
 { 
 /** Indicates that the protected action is a Login workflow. */ 
 RecaptchaActionTypeLogin 
 = 
 0 
 , 
 /** Indicates that the protected action is a Signup workflow. */ 
 RecaptchaActionTypeSignup 
 = 
 1 
 , 
 /** When a custom action is specified, reCAPTCHA uses this value automatically. */ 
 RecaptchaActionTypeOther 
 = 
 2 
 , 
 }