/usr/include/ginspector/ is in libginspx-dev 20050529-3.1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/ginspector/changednotifypair.h
/usr/include/ginspector/ginspector-builtin-init.h
/usr/include/ginspector/ginspector-builtin-manager.h
/usr/include/ginspector/ginspector-builtin-module.h
/usr/include/ginspector/ginspector-builtin-register-modules.h
/usr/include/ginspector/ginspector-builtin.h
/usr/include/ginspector/ginspector-core-init.h
/usr/include/ginspector/ginspector-core.h
/usr/include/ginspector/ginspector-element.h
/usr/include/ginspector/ginspector-gtk-init.h
/usr/include/ginspector/ginspector-gtk-tag-deprecated.h
/usr/include/ginspector/ginspector-gtk-tag.h
/usr/include/ginspector/ginspector-gtk.h
/usr/include/ginspector/ginspector-init.h
/usr/include/ginspector/ginspector-main.h
/usr/include/ginspector/ginspector-plugin-init.h
/usr/include/ginspector/ginspector-plugin-manager.h
/usr/include/ginspector/ginspector-plugin-module.h
/usr/include/ginspector/ginspector-plugin.h
/usr/include/ginspector/ginspector-preload-init.h
/usr/include/ginspector/ginspector-preload-manager.h
/usr/include/ginspector/ginspector-preload-module.h
/usr/include/ginspector/ginspector-preload.h
/usr/include/ginspector/ginspector-procedure.h
/usr/include/ginspector/ginspector-tag.h
/usr/include/ginspector/ginspector-types.h
/usr/include/ginspector/ginspector-ui-cellrenderer.h
/usr/include/ginspector/ginspector-ui-dnd.h
/usr/include/ginspector/ginspector-ui-elementlist.h
/usr/include/ginspector/ginspector-ui-elementtree.h
/usr/include/ginspector/ginspector-ui-init.h
/usr/include/ginspector/ginspector-ui-parameditor.h
/usr/include/ginspector/ginspector-ui-stock-pixbufs.h
/usr/include/ginspector/ginspector-ui-stock.h
/usr/include/ginspector/ginspector-ui.h
/usr/include/ginspector/ginspector.h
/usr/include/ginspector/ginspectorcontext.h
/usr/include/ginspector/ginspectorelementholder.h
/usr/include/ginspector/ginspectorelementlist.h
/usr/include/ginspector/ginspectorelementtree.h
/usr/include/ginspector/ginspectorpanel.h
/usr/include/ginspector/ginspectorpanelframe.h
/usr/include/ginspector/ginspectorwindow.h
/usr/include/ginspector/misc-utils.h