/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/ is in libjets3t-java-doc 0.8.1+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/AllAuthenticatedUsersGrantee.html
/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/AllUsersGrantee.html
/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/GSAccessControlList.html
/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/GroupByDomainGrantee.html
/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/GroupByEmailAddressGrantee.html
/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/GroupByIdGrantee.html
/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/UserByEmailAddressGrantee.html
/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/UserByIdGrantee.html
/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/package-frame.html
/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/package-summary.html
/usr/share/doc/libjets3t-java/api/org/jets3t/service/acl/gs/package-tree.html