12 files declare their use of MapFeatureFrontendBase in Geolocation Field 8.3

ClientLocationIndicator.php in modules/geolocation_google_maps/src/Plugin/geolocation/MapFeature/ClientLocationIndicator.php

LayerBicycling.php in modules/geolocation_google_maps/src/Plugin/geolocation/MapFeature/LayerBicycling.php

LayerTraffic.php in modules/geolocation_google_maps/src/Plugin/geolocation/MapFeature/LayerTraffic.php

LayerTransit.php in modules/geolocation_google_maps/src/Plugin/geolocation/MapFeature/LayerTransit.php

LeafletClientLocationIndicator.php in modules/geolocation_leaflet/src/Plugin/geolocation/MapFeature/LeafletClientLocationIndicator.php

LeafletDisableUserInteraction.php in modules/geolocation_leaflet/src/Plugin/geolocation/MapFeature/LeafletDisableUserInteraction.php

LeafletGestureHandling.php in modules/geolocation_leaflet/src/Plugin/geolocation/MapFeature/LeafletGestureHandling.php

MapDisablePOI.php in modules/geolocation_google_maps/src/Plugin/geolocation/MapFeature/MapDisablePOI.php

MapDisableUserInteraction.php in modules/geolocation_google_maps/src/Plugin/geolocation/MapFeature/MapDisableUserInteraction.php

MapTilt.php in modules/geolocation_google_maps/src/Plugin/geolocation/MapFeature/MapTilt.php

MarkerZoomByAnchor.php in modules/geolocation_google_maps/src/Plugin/geolocation/MapFeature/MarkerZoomByAnchor.php

YandexClusterer.php in modules/geolocation_yandex/src/Plugin/geolocation/MapFeature/YandexClusterer.php