fix predictpacket serialization

include/td/protocol/command/Commands.h

@@ -6,10 +6,10 @@
  */
 
 #include <memory>
+#include <sp/common/GenericHandler.h>
 #include <sp/protocol/ConcreteMessage.h>
 #include <sp/protocol/MessageDispatcher.h>
 #include <sp/protocol/MessageFactory.h>
-#include <sp/common/GenericHandler.h>
 #include <td/Types.h>
 #include <td/common/NonCopyable.h>
 #include <td/protocol/command/CommandData.h>
@@ -32,6 +32,8 @@ class CommandHandler;
 
 using CommandBase = sp::MessageBase<CommandID, CommandHandler>;
 
+using CommandPtr = std::unique_ptr<CommandBase>;
+
 template <typename TData, CommandID ID>
 using CommandMessage = sp::ConcreteMessage<TData, CommandBase, ID>;