/usr/include/ is in libvibe-mongodb-dev 0.8.2-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/d/
/usr/include/d/vibe/
/usr/include/d/vibe/vibe/
/usr/include/d/vibe/vibe/db/
/usr/include/d/vibe/vibe/db/mongo/
/usr/include/d/vibe/vibe/db/mongo/client.d
/usr/include/d/vibe/vibe/db/mongo/collection.d
/usr/include/d/vibe/vibe/db/mongo/connection.d
/usr/include/d/vibe/vibe/db/mongo/cursor.d
/usr/include/d/vibe/vibe/db/mongo/database.d
/usr/include/d/vibe/vibe/db/mongo/flags.d
/usr/include/d/vibe/vibe/db/mongo/mongo.d
/usr/include/d/vibe/vibe/db/mongo/sasl.d
/usr/include/d/vibe/vibe/db/mongo/sessionstore.d
/usr/include/d/vibe/vibe/db/mongo/settings.d