# These are used to make the C++ objects visible from the C world
.. doxygentypedef:: s4u_Actor
+.. doxygentypedef:: s4u_ActivitySet
.. doxygentypedef:: s4u_Barrier
.. doxygentypedef:: s4u_Comm
.. doxygentypedef:: s4u_ConditionVariable
.. doxygentypedef:: s4u_NetZone
.. doxygentypedef:: s4u_Semaphore
.. doxygentypedef:: s4u_VM
+.. doxygentypedef:: s4u_Activity
+.. doxygentypedef:: s4u_ActivitySet
+.. doxygentypedef:: s4u_MessageQueue
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