/usr/share/ is in ros-nav-msgs 1.12.5-3.
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/usr/share/doc/
/usr/share/doc/ros-nav-msgs/
/usr/share/doc/ros-nav-msgs/copyright
/usr/share/nav_msgs/
/usr/share/nav_msgs/msg/
/usr/share/nav_msgs/msg/GetMapAction.msg
/usr/share/nav_msgs/msg/GetMapActionFeedback.msg
/usr/share/nav_msgs/msg/GetMapActionGoal.msg
/usr/share/nav_msgs/msg/GetMapActionResult.msg
/usr/share/nav_msgs/msg/GetMapFeedback.msg
/usr/share/nav_msgs/msg/GetMapGoal.msg
/usr/share/nav_msgs/msg/GetMapResult.msg
/usr/share/nav_msgs/msg/GridCells.msg
/usr/share/nav_msgs/msg/MapMetaData.msg
/usr/share/nav_msgs/msg/OccupancyGrid.msg
/usr/share/nav_msgs/msg/Odometry.msg
/usr/share/nav_msgs/msg/Path.msg
/usr/share/nav_msgs/srv/
/usr/share/nav_msgs/srv/GetMap.srv
/usr/share/nav_msgs/srv/GetPlan.srv
/usr/share/nav_msgs/srv/SetMap.srv
/usr/share/doc/ros-nav-msgs/changelog.Debian.gz