OptionalcontainerDOM container for the panel and its reopen pill. Defaults to
document.body.
OptionalstoragelocalStorage key for the panel's drag-position and
closed-state persistence. Defaults to "xkt-am-panel".
The tool whose measurements the panel lists. The panel is scoped to the tool's View for its per-View singleton registry.
OptionalvisibleShow on construction. Defaults to true. When false, the
panel mounts hidden and the floating reopen pill is shown.
Construction parameters for AngleMeasurementsPanel.