/usr/include/actionlib/ is in libactionlib-dev 1.11.12-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/actionlib/TestAction.h
/usr/include/actionlib/TestActionFeedback.h
/usr/include/actionlib/TestActionGoal.h
/usr/include/actionlib/TestActionResult.h
/usr/include/actionlib/TestFeedback.h
/usr/include/actionlib/TestGoal.h
/usr/include/actionlib/TestRequestAction.h
/usr/include/actionlib/TestRequestActionFeedback.h
/usr/include/actionlib/TestRequestActionGoal.h
/usr/include/actionlib/TestRequestActionResult.h
/usr/include/actionlib/TestRequestFeedback.h
/usr/include/actionlib/TestRequestGoal.h
/usr/include/actionlib/TestRequestResult.h
/usr/include/actionlib/TestResult.h
/usr/include/actionlib/TwoIntsAction.h
/usr/include/actionlib/TwoIntsActionFeedback.h
/usr/include/actionlib/TwoIntsActionGoal.h
/usr/include/actionlib/TwoIntsActionResult.h
/usr/include/actionlib/TwoIntsFeedback.h
/usr/include/actionlib/TwoIntsGoal.h
/usr/include/actionlib/TwoIntsResult.h
/usr/include/actionlib/action_definition.h
/usr/include/actionlib/client/
/usr/include/actionlib/client/action_client.h
/usr/include/actionlib/client/client_goal_handle_imp.h
/usr/include/actionlib/client/client_helpers.h
/usr/include/actionlib/client/comm_state.h
/usr/include/actionlib/client/comm_state_machine_imp.h
/usr/include/actionlib/client/connection_monitor.h
/usr/include/actionlib/client/goal_manager_imp.h
/usr/include/actionlib/client/service_client.h
/usr/include/actionlib/client/service_client_imp.h
/usr/include/actionlib/client/simple_action_client.h
/usr/include/actionlib/client/simple_client_goal_state.h
/usr/include/actionlib/client/simple_goal_state.h
/usr/include/actionlib/client/terminal_state.h
/usr/include/actionlib/client_goal_status.h
/usr/include/actionlib/decl.h
/usr/include/actionlib/destruction_guard.h
/usr/include/actionlib/enclosure_deleter.h
/usr/include/actionlib/goal_id_generator.h
/usr/include/actionlib/managed_list.h
/usr/include/actionlib/one_shot_timer.h
/usr/include/actionlib/server/
/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