Content of RPM ejabberd-devel-18.09-2.11.x86_64.rpm :
/usr/lib64/ejabberd-18.09/include
/usr/lib64/ejabberd-18.09/include/ELDAPv3.hrl
/usr/lib64/ejabberd-18.09/include/adhoc.hrl
/usr/lib64/ejabberd-18.09/include/bosh.hrl
/usr/lib64/ejabberd-18.09/include/ejabberd_acme.hrl
/usr/lib64/ejabberd-18.09/include/ejabberd_auth.hrl
/usr/lib64/ejabberd-18.09/include/ejabberd_commands.hrl
/usr/lib64/ejabberd-18.09/include/ejabberd_config.hrl
/usr/lib64/ejabberd-18.09/include/ejabberd_ctl.hrl
/usr/lib64/ejabberd-18.09/include/ejabberd_http.hrl
/usr/lib64/ejabberd-18.09/include/ejabberd_oauth.hrl
/usr/lib64/ejabberd-18.09/include/ejabberd_router.hrl
/usr/lib64/ejabberd-18.09/include/ejabberd_sm.hrl
/usr/lib64/ejabberd-18.09/include/ejabberd_sql_pt.hrl
/usr/lib64/ejabberd-18.09/include/ejabberd_web_admin.hrl
/usr/lib64/ejabberd-18.09/include/eldap.hrl
/usr/lib64/ejabberd-18.09/include/http_bind.hrl
/usr/lib64/ejabberd-18.09/include/logger.hrl
/usr/lib64/ejabberd-18.09/include/mod_announce.hrl
/usr/lib64/ejabberd-18.09/include/mod_caps.hrl
/usr/lib64/ejabberd-18.09/include/mod_carboncopy.hrl
/usr/lib64/ejabberd-18.09/include/mod_last.hrl
/usr/lib64/ejabberd-18.09/include/mod_mam.hrl
/usr/lib64/ejabberd-18.09/include/mod_muc.hrl
/usr/lib64/ejabberd-18.09/include/mod_muc_room.hrl
/usr/lib64/ejabberd-18.09/include/mod_offline.hrl
/usr/lib64/ejabberd-18.09/include/mod_privacy.hrl
/usr/lib64/ejabberd-18.09/include/mod_private.hrl
/usr/lib64/ejabberd-18.09/include/mod_proxy65.hrl
/usr/lib64/ejabberd-18.09/include/mod_push.hrl
/usr/lib64/ejabberd-18.09/include/mod_roster.hrl
/usr/lib64/ejabberd-18.09/include/mod_shared_roster.hrl
/usr/lib64/ejabberd-18.09/include/mod_vcard.hrl
/usr/lib64/ejabberd-18.09/include/mod_vcard_xupdate.hrl
/usr/lib64/ejabberd-18.09/include/pubsub.hrl
/usr/lib64/ejabberd-18.09/include/translate.hrl