As of version "@types/kendo-ui": "2020.3.0":
FileManager methods: path, view, getSelected, getSize have return type void, which is a pain to handle since it can't even be cast to bool.
FileManager method navigate doesn't accept params, should accept string 'path'.
FileManagerContextMenu interface is missing all event handlers: close, open, activate, deactivate, select.
The following are not exposed: