structuredAttrs is enabled

trying https://registry.npmjs.org/@types/leaflet.markercluster/-/leaflet.markercluster-1.5.6.tgz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100   4194 100   4194   0      0  68617      0                              0