Traffic swarm action is missing in migration guide
OSC 1.x TrafficSwarmAction: https://www.asam.net/static_downloads/ASAM_OpenSCENARIO_V1.2.0_Model_Documentation/modelDocumentation/content/TrafficSwarmAction.html
Migration guide section: https://simulation.pages.asam.net/openscenario/openscenario-antora-gen/ASAM_OpenSCENARIO_Migration/latest/mg_actions.html#_trafficsourceaction_trafficsinkaction_and_trafficswarmaction
The section only explains the OSC1.x concept, but no migration to OSC 2.