/usr/include/ is in libcouchdb-glib-dev 0.7.4-0ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/couchdb-glib-1.0/
/usr/include/couchdb-glib-1.0/couchdb-query.h
/usr/include/couchdb-glib-1.0/couchdb-session.h
/usr/include/couchdb-glib-1.0/couchdb-database-info.h
/usr/include/couchdb-glib-1.0/couchdb-document-contact.h
/usr/include/couchdb-glib-1.0/couchdb-glib.h
/usr/include/couchdb-glib-1.0/couchdb-struct-field.h
/usr/include/couchdb-glib-1.0/couchdb-design-document.h
/usr/include/couchdb-glib-1.0/couchdb-response.h
/usr/include/couchdb-glib-1.0/couchdb-document-task.h
/usr/include/couchdb-glib-1.0/couchdb-database.h
/usr/include/couchdb-glib-1.0/couchdb-types.h
/usr/include/couchdb-glib-1.0/couchdb-document-info.h
/usr/include/couchdb-glib-1.0/couchdb-credentials.h
/usr/include/couchdb-glib-1.0/couchdb-array-field.h
/usr/include/couchdb-glib-1.0/couchdb-document.h