@class NSData, NSString;
@interface HKFHIRAttachmentContent : NSObject <NSCopying, NSSecureCoding>
@property (class, readonly) BOOL supportsSecureCoding;
@property (readonly, copy, nonatomic) NSData *content;
@property (readonly, copy, nonatomic) NSString *contentType;
- (unsigned long long)hash;
- (void)encodeWithCoder:(id)a0;
- (void).cxx_destruct;
- (id)debugDescription;
- (BOOL)isEqual:(id)a0;
- (id)initWithCoder:(id)a0;
- (id)copyWithZone:(struct _NSZone { } *)a0;
- (id)initWithContent:(id)a0 contentType:(id)a1;
@end