11 string references to 'Layer' in Openlayers 7.3

Group::optionsForm in src/Plugin/Layer/Group/Group.php

@TODO What is this return? If it is the form, why is form by reference?

LayerSwitcher::optionsForm in src/Plugin/Control/LayerSwitcher/LayerSwitcher.php

@TODO What is this return? If it is the form, why is form by reference?

openlayers.services.yml in ./openlayers.services.yml

openlayers.services.yml

openlayers_layer_form_options in modules/openlayers_ui/src/Plugin/export_ui/OpenlayersLayers.inc

Layer options config form handler.

openlayers_layer_form_options_submit in modules/openlayers_ui/src/Plugin/export_ui/OpenlayersLayers.inc

Layer options config form submit handler.

openlayers_layer_form_options_validate in modules/openlayers_ui/src/Plugin/export_ui/OpenlayersLayers.inc

Layer options config form validation handler.

openlayers_layer_form_type in modules/openlayers_ui/src/Plugin/export_ui/OpenlayersLayers.inc

Layer type config form handler.

openlayers_map_form_layers in modules/openlayers_ui/src/Plugin/export_ui/OpenlayersMaps.inc

Map layers config form handler.

openlayers_source_form_start in modules/openlayers_ui/src/Plugin/export_ui/OpenlayersSources.inc

Source base config form handler.

Popup::optionsForm in src/Plugin/Component/Popup/Popup.php

@TODO What is this return? If it is the form, why is form by reference?

Tooltip::optionsForm in src/Plugin/Component/Tooltip/Tooltip.php

@TODO What is this return? If it is the form, why is form by reference?