7 string references to 'Interaction' in Openlayers 7.3

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

openlayers.services.yml

openlayers_interaction_form_options in modules/openlayers_ui/src/Plugin/export_ui/OpenlayersInteractions.inc

Interaction options config form handler.

openlayers_interaction_form_options_submit in modules/openlayers_ui/src/Plugin/export_ui/OpenlayersInteractions.inc

Interaction options config form submit handler.

openlayers_interaction_form_options_validate in modules/openlayers_ui/src/Plugin/export_ui/OpenlayersInteractions.inc

Interaction options config form validation handler.

openlayers_interaction_form_type in modules/openlayers_ui/src/Plugin/export_ui/OpenlayersInteractions.inc

Interaction type config form handler.

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

Map interactions config form handler.

Translate::optionsForm in src/Plugin/Interaction/Translate/Translate.php

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