removeAnchor method
Implementation
Future<void> removeAnchor(String id, {bool removeNodes = true}) async {
await _invoke<void>("removeAnchor", <String, Object?>{"id": id, "removeNodes": removeNodes});
_gpsAnchors.remove(id);
final Map<String, UArAnchor> anchors = Map<String, UArAnchor>.of(value.anchors)..remove(id);
final Map<String, UArNode> nodes = removeNodes ? (Map<String, UArNode>.of(value.nodes)..removeWhere((String _, UArNode n) => n.anchorId == id)) : value.nodes;
value = value.copyWith(anchors: anchors, nodes: nodes);
}