protected internal virtual bool IsInitialEvent(HistoryEvent historyEvent)
{
return(historyEvent.EventType == null ||
historyEvent.IsEventOfType(HistoryEventTypes.ActivityInstanceStart) ||
historyEvent.IsEventOfType(HistoryEventTypes.ProcessInstanceStart) ||
historyEvent.IsEventOfType(HistoryEventTypes.TaskInstanceCreate) ||
historyEvent.IsEventOfType(HistoryEventTypes.FormPropertyUpdate) ||
historyEvent.IsEventOfType(HistoryEventTypes.IncidentCreate) ||
historyEvent.IsEventOfType(HistoryEventTypes.CaseInstanceCreate) ||
historyEvent.IsEventOfType(HistoryEventTypes.DmnDecisionEvaluate) ||
historyEvent.IsEventOfType(HistoryEventTypes.BatchStart) ||
historyEvent.IsEventOfType(HistoryEventTypes.IdentityLinkAdd) ||
historyEvent.IsEventOfType(HistoryEventTypes.IdentityLinkDelete));
}