OptionalexplicitOptionalhoveredThe element is the hovered node (or incident to it).
OptionalselectedThe element is in the selection store (or is incident to a selected element, by the caller's choice).
OptionalweightFinal tiebreak: node degree or edge weight. Clamped to 0..999.
Host-supplied rank: the
_labelPrioritydata field or thelabelPriorityprop's return. Clamped to +/- 99,999.