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Diffstat (limited to 'qpid/cpp/src/qpid/broker/MessageGroupManager.h')
-rw-r--r--qpid/cpp/src/qpid/broker/MessageGroupManager.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/MessageGroupManager.h b/qpid/cpp/src/qpid/broker/MessageGroupManager.h
index 340ebbc56a..2dd97ea2ff 100644
--- a/qpid/cpp/src/qpid/broker/MessageGroupManager.h
+++ b/qpid/cpp/src/qpid/broker/MessageGroupManager.h
@@ -28,11 +28,14 @@
#include "qpid/broker/MessageDistributor.h"
#include "qpid/sys/unordered_map.h"
+#include <deque>
+
namespace qpid {
namespace broker {
class QueueObserver;
class MessageDistributor;
+class Messages;
class MessageGroupManager : public StatefulQueueObserver, public MessageDistributor
{