@class NSString, NSNumber; @interface USOSpanProperty : NSObject <NSSecureCoding> @property (class, readonly) BOOL supportsSecureCoding; @property (readonly, nonatomic) NSString *key; @property (readonly, nonatomic) NSString *valueString; @property (readonly, nonatomic) NSNumber *valueInt; @property (readonly, nonatomic) NSNumber *valueFloat; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (id)initWithKey:(id)a0; - (id)initWithCoder:(id)a0; - (id)initWithKey:(id)a0 valueString:(id)a1; - (id)initWithKey:(id)a0 valueFloat:(float)a1; - (id)initWithKey:(id)a0 valueInt:(int)a1; @end