@protocol P256PublicKeyProtocol; @interface PublicKey : NSObject @property (retain) id<P256PublicKeyProtocol> key; - (id)dataRepresentation; - (id)initWithData:(id)a0 error:(id *)a1; - (id)description; - (void).cxx_destruct; - (id)initWithKey:(id)a0; - (BOOL)isEqual:(id)a0; @end