openFolderApi: https://thunderbird.topicbox.com/groups/addons/Tfb76bff3d15a2a97-M3000f2aa425418f8f5aa6eaf/launch-external-url openFileLink: https://github.com/xi/xi-conversations/blob/258c856e7d9d412686d0691b8e519131cb961828/experiment-api/api.js

bugs:

• sendRemoveListener on closed conduit openFile@sonn.309 https://bugzilla.mozilla.org/show_bug.cgi?id=1633315