/usr/share/doc/libgnumail-java/api/gnu/mail/providers/imap/class-use/ is in libgnumail-java-doc 1.1.2-7.
This file is owned by root:root, with mode 0o755.
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/usr/share/doc/libgnumail-java/api/gnu/mail/providers/imap/class-use/ACL.html
/usr/share/doc/libgnumail-java/api/gnu/mail/providers/imap/class-use/IMAPBodyPart.html
/usr/share/doc/libgnumail-java/api/gnu/mail/providers/imap/class-use/IMAPFolder.html
/usr/share/doc/libgnumail-java/api/gnu/mail/providers/imap/class-use/IMAPMessage.html
/usr/share/doc/libgnumail-java/api/gnu/mail/providers/imap/class-use/IMAPMultipart.html
/usr/share/doc/libgnumail-java/api/gnu/mail/providers/imap/class-use/IMAPMultipartDataSource.html
/usr/share/doc/libgnumail-java/api/gnu/mail/providers/imap/class-use/IMAPStore.html
/usr/share/doc/libgnumail-java/api/gnu/mail/providers/imap/class-use/Rights.Right.html
/usr/share/doc/libgnumail-java/api/gnu/mail/providers/imap/class-use/Rights.html