docs: public InternalFeature getAttributes(VectorLayer layer, InternalFeature feature, Object featureBean)
  			throws LayerException {
  		String layerId = layer.getId();
  
  		Map<String, Attribute> featureAttributes = getRealAttributes(layer, featureBean);
  		feature.setAttributes(featureAttributes); // to allow isAttributeReadable to see full object
  		addSyntheticAttributes(feature, featureAttributes, layer);
  		if (securityContext.isFeatureVisible(layerId, feature)) {
  
  			feature.setAttributes(filterAttributes(layerId, layer.getLayerInfo().getFeatureInfo().getAttributesMap(),
  					feature, featureAttributes));
  
  			feature.setEditable(securityContext.isFeatureUpdateAuthorized(layerId, feature));
  			feature.setDeletable(securityContext.isFeatureDeleteAuthorized(layerId, feature));
  
  			return feature;
  		}
  		return null;
  	}