#import @interface MTTransportTransaction : NSObject @property (nonatomic, copy, readonly) void (^completion)(bool success, id transactionId); @property (nonatomic, strong, readonly) NSData *payload; @property (nonatomic, readonly) bool expectsDataInResponse; @property (nonatomic, readonly) bool needsQuickAck; - (instancetype)initWithPayload:(NSData *)payload completion:(void (^)(bool success, id transactionId))completion; - (instancetype)initWithPayload:(NSData *)payload completion:(void (^)(bool success, id transactionId))completion needsQuickAck:(bool)needsQuickAck expectsDataInResponse:(bool)expectsDataInResponse; @end