Parse iOS SDK Hierarchy Class Hierarchy NSObject PFACL PFAnalytics PFAnonymousUtils PFCloud PFConfig PFFacebookUtils PFFile PFGeoPoint PFNetworkActivityIndicatorManager PFObject PFInstallation PFProduct PFRole PFSession PFUser PFPurchase PFPush PFRelation PFTwitterUtils PF_Twitter Parse PFQuery UICollectionViewCell PFCollectionViewCell UICollectionViewController PFQueryCollectionViewController UIImageView PFImageView UIScrollView PFLogInView PFSignUpView UITableViewCell PFTableViewCell PFPurchaseTableViewCell UITableViewController PFQueryTableViewController PFProductTableViewController UITextField PFTextField UIViewController PFLogInViewController PFSignUpViewController Protocol References PFLogInViewControllerDelegate PFSignUpViewControllerDelegate PFSubclassing PFUserAuthenticationDelegate Constant References PFCachePolicy PFErrorCode PFLogInFields PFLogLevel PFPurchaseTableViewCellState PFSignUpFields PFTextFieldSeparatorStyle