/usr/include/ is in libgoocanvasmm-2.0-dev 1.90.8-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/goocanvasmm-2.0/
/usr/include/goocanvasmm-2.0/goocanvasmm.h
/usr/include/goocanvasmm-2.0/goocanvasmm/
/usr/include/goocanvasmm-2.0/goocanvasmm/groupmodel.h
/usr/include/goocanvasmm-2.0/goocanvasmm/polylinemodel.h
/usr/include/goocanvasmm-2.0/goocanvasmm/itemsimple.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/
/usr/include/goocanvasmm-2.0/goocanvasmm/private/widget_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/group_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/item_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/ellipsemodel_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/pathmodel_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/canvas_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/style_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/tablemodel_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/linedash_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/grid_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/gridmodel_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/itemmodel_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/itemmodelsimple_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/ellipse_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/points_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/bounds_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/table_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/imagemodel_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/textmodel_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/path_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/polyline_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/polylinemodel_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/enums_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/rect_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/groupmodel_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/text_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/rectmodel_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/itemsimple_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/private/image_p.h
/usr/include/goocanvasmm-2.0/goocanvasmm/imagemodel.h
/usr/include/goocanvasmm-2.0/goocanvasmm/ellipsemodel.h
/usr/include/goocanvasmm-2.0/goocanvasmm/path.h
/usr/include/goocanvasmm-2.0/goocanvasmm/bounds.h
/usr/include/goocanvasmm-2.0/goocanvasmm/points.h
/usr/include/goocanvasmm-2.0/goocanvasmm/canvas.h
/usr/include/goocanvasmm-2.0/goocanvasmm/itemmodelsimple.h
/usr/include/goocanvasmm-2.0/goocanvasmm/types.h
/usr/include/goocanvasmm-2.0/goocanvasmm/group.h
/usr/include/goocanvasmm-2.0/goocanvasmm/rectmodel.h
/usr/include/goocanvasmm-2.0/goocanvasmm/item.h
/usr/include/goocanvasmm-2.0/goocanvasmm/wrap_init.h
/usr/include/goocanvasmm-2.0/goocanvasmm/style.h
/usr/include/goocanvasmm-2.0/goocanvasmm/linedash.h
/usr/include/goocanvasmm-2.0/goocanvasmm/textmodel.h
/usr/include/goocanvasmm-2.0/goocanvasmm/text.h
/usr/include/goocanvasmm-2.0/goocanvasmm/enums.h
/usr/include/goocanvasmm-2.0/goocanvasmm/init.h
/usr/include/goocanvasmm-2.0/goocanvasmm/pathmodel.h
/usr/include/goocanvasmm-2.0/goocanvasmm/image.h
/usr/include/goocanvasmm-2.0/goocanvasmm/rect.h
/usr/include/goocanvasmm-2.0/goocanvasmm/grid.h
/usr/include/goocanvasmm-2.0/goocanvasmm/table.h
/usr/include/goocanvasmm-2.0/goocanvasmm/widget.h
/usr/include/goocanvasmm-2.0/goocanvasmm/itemmodel.h
/usr/include/goocanvasmm-2.0/goocanvasmm/tablemodel.h
/usr/include/goocanvasmm-2.0/goocanvasmm/gridmodel.h
/usr/include/goocanvasmm-2.0/goocanvasmm/ellipse.h
/usr/include/goocanvasmm-2.0/goocanvasmm/polyline.h