/usr/include/actionlib/server/ is in libactionlib-dev 1.11.4-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/actionlib/server/action_server.h
/usr/include/actionlib/server/action_server_base.h
/usr/include/actionlib/server/action_server_imp.h
/usr/include/actionlib/server/handle_tracker_deleter.h
/usr/include/actionlib/server/handle_tracker_deleter_imp.h
/usr/include/actionlib/server/server_goal_handle.h
/usr/include/actionlib/server/server_goal_handle_imp.h
/usr/include/actionlib/server/service_server.h
/usr/include/actionlib/server/service_server_imp.h
/usr/include/actionlib/server/simple_action_server.h
/usr/include/actionlib/server/simple_action_server_imp.h
/usr/include/actionlib/server/status_tracker.h
/usr/include/actionlib/server/status_tracker_imp.h