Optional ReadonlycontainerOptional ReadonlyhoverQuiet time on a span before the hover card appears (default 220ms).
Optional ReadonlymessagesOptional ReadonlyquickOpen the menu for the issue under the caret (default 'Ctrl-.', the
binding editors have long used for a quick fix). A hover card that only
hovering can reach is unreachable from the keyboard, so the same menu has
a key of its own. Pass null to bind nothing.
Where the popovers mount (default: the view document's
body).