Open preview window for ALEHover in vertical split

Please point me to the docs if I missed it, but I can't see support for opening hover information in a vertical split. Normally, if a vertical split option isn't supported, I'd add a mapping to move it there, something like `:ALEHover:windo wincmd L`. Since ALEHover normally has a brief, non-blocking delay, however, the motion after invoking ALEHover either does nothing (if I have no split open) or moves what ever split is already there to the right. Additionally, such a mapping doesn't open the hover info that pops up during autocompletion. It also seems to be unrelated to my settings, as I already have `set splitright` in my vimrc.

Is an option to have hover information open in a vertical split easily possible?