Private_ProtectedlastProtectedlastProtectedoptionProtectedprefixesPrivateremovePrivateshouldProtectedsortProtectedcanonicalisePrivategetMap all windows into a {[windowId]: window} object
PrivatereactUpdate the list of possible tab options and select (focus on) the appropriate option.
Set option state by score
For now just displays all scored elements (see threshold in fuse) and focus the best match.
Call to replace the current display
PrivateupdateGets the next option in this BufferCompletionSource assuming that this BufferCompletionSource length has been reduced by 1
TODO: this ain't going to work, need to work out position based on win.tab
Control presentation of Source