-surf_callback(void, VirtualMachine*) VMCreatedCallbacks;
-surf_callback(void, VirtualMachine*) VMDestructedCallbacks;
-surf_callback(void, VirtualMachine*) VMStateChangedCallbacks;
+surf_callback(void, simgrid::surf::VirtualMachine*) VMCreatedCallbacks;
+surf_callback(void, simgrid::surf::VirtualMachine*) VMDestructedCallbacks;
+surf_callback(void, simgrid::surf::VirtualMachine*) VMStateChangedCallbacks;