@class NSError; @protocol NSSecureCoding, NSObject; @interface CNTestFuture : NSObject <NSSecureCoding> @property (class, readonly) BOOL supportsSecureCoding; @property (readonly, nonatomic) id<NSObject, NSSecureCoding> result; @property (readonly, nonatomic) NSError *error; + (id)futureWithError:(id)a0; + (id)futureWithResult:(id)a0; - (id)initWithError:(id)a0; - (id)initWithResult:(id)a0; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; @end