discontinuedPackage jet_cad_floor_plan has been discontinued and replaced by jet_cad_2d_plan.

dispose method

void dispose()

Puts the expander install found back, only if the slot still holds this system's own tear-off.

Implementation

void dispose() {
  if (!_installed) return;
  _installed = false;
  final mine = document.commands.expander == _expand;
  if (mine) document.commands.expander = _previous;
  _previous = null;
  assert(mine, 'TableLabelSystem disposed out of order (spec 14a T12)');
}