@class NSSet, HDFHIRResourceObject;
@interface HDUnresolvedReferenceSet : NSObject <NSSecureCoding, NSCopying>
@property (class, readonly) BOOL supportsSecureCoding;
@property (readonly, copy, nonatomic) NSSet *references;
@property (readonly, nonatomic) HDFHIRResourceObject *resource;
- (id)init;
- (void)encodeWithCoder:(id)a0;
- (void).cxx_destruct;
- (id)initWithCoder:(id)a0;
- (id)copyWithZone:(struct _NSZone { } *)a0;
- (id)initWithReferences:(id)a0 resource:(id)a1;
@end