@class NSString, NSSet; @interface STDiagnosticsServiceMessage : NSObject <NSSecureCoding> @property (class, readonly) BOOL supportsSecureCoding; @property (retain) NSString *messageType; @property (retain) NSString *sender; @property (retain) NSSet *recipients; @property (retain) NSString *payloadUUID; @property long long idsInterface; - (void)encodeWithCoder:(id)a0; - (id)description; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; - (id)initWithMessageType:(id)a0 sender:(id)a1 recipients:(id)a2 payloadUUID:(id)a3 idsInterface:(long long)a4; @end