@transreport/pauk-ujp-api
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    Interface FormationChange

    A point during the leg where the train divides or another portion joins.

    interface FormationChange {
        other_portion: FormationChangeOtherPortion;
        station: PlanningStation;
        type: FormationChangeType;
    }
    Index

    The portion that divides from or joins this train. Null when unknown; usually only known for services running today or tomorrow.

    split: the train divides here; join: another portion joins here.