/usr/include/ is in libchamplain-0.12-dev 0.12.15-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libchamplain-0.12/
/usr/include/libchamplain-0.12/champlain/
/usr/include/libchamplain-0.12/champlain/champlain-adjustment.h
/usr/include/libchamplain-0.12/champlain/champlain-bounding-box.h
/usr/include/libchamplain-0.12/champlain/champlain-coordinate.h
/usr/include/libchamplain-0.12/champlain/champlain-custom-marker.h
/usr/include/libchamplain-0.12/champlain/champlain-defines.h
/usr/include/libchamplain-0.12/champlain/champlain-enum-types.h
/usr/include/libchamplain-0.12/champlain/champlain-error-tile-renderer.h
/usr/include/libchamplain-0.12/champlain/champlain-exportable.h
/usr/include/libchamplain-0.12/champlain/champlain-features.h
/usr/include/libchamplain-0.12/champlain/champlain-file-cache.h
/usr/include/libchamplain-0.12/champlain/champlain-file-tile-source.h
/usr/include/libchamplain-0.12/champlain/champlain-image-renderer.h
/usr/include/libchamplain-0.12/champlain/champlain-kinetic-scroll-view.h
/usr/include/libchamplain-0.12/champlain/champlain-label.h
/usr/include/libchamplain-0.12/champlain/champlain-layer.h
/usr/include/libchamplain-0.12/champlain/champlain-license.h
/usr/include/libchamplain-0.12/champlain/champlain-location.h
/usr/include/libchamplain-0.12/champlain/champlain-map-source-chain.h
/usr/include/libchamplain-0.12/champlain/champlain-map-source-desc.h
/usr/include/libchamplain-0.12/champlain/champlain-map-source-factory.h
/usr/include/libchamplain-0.12/champlain/champlain-map-source.h
/usr/include/libchamplain-0.12/champlain/champlain-marker-layer.h
/usr/include/libchamplain-0.12/champlain/champlain-marker.h
/usr/include/libchamplain-0.12/champlain/champlain-marshal.h
/usr/include/libchamplain-0.12/champlain/champlain-memory-cache.h
/usr/include/libchamplain-0.12/champlain/champlain-network-bbox-tile-source.h
/usr/include/libchamplain-0.12/champlain/champlain-network-tile-source.h
/usr/include/libchamplain-0.12/champlain/champlain-null-tile-source.h
/usr/include/libchamplain-0.12/champlain/champlain-path-layer.h
/usr/include/libchamplain-0.12/champlain/champlain-point.h
/usr/include/libchamplain-0.12/champlain/champlain-renderer.h
/usr/include/libchamplain-0.12/champlain/champlain-scale.h
/usr/include/libchamplain-0.12/champlain/champlain-tile-cache.h
/usr/include/libchamplain-0.12/champlain/champlain-tile-source.h
/usr/include/libchamplain-0.12/champlain/champlain-tile.h
/usr/include/libchamplain-0.12/champlain/champlain-version.h
/usr/include/libchamplain-0.12/champlain/champlain-view.h
/usr/include/libchamplain-0.12/champlain/champlain-viewport.h
/usr/include/libchamplain-0.12/champlain/champlain.h