Base:
method
BeginOnSave
System.Activities.Persistence.PersistenceIOParticipant.BeginOnSave(System.Collections.Generic.IDictionary<System.Xml.Linq.XName, System.Object>, System.Collections.Generic.IDictionary<System.Xml.Linq.XName, System.Object>, System.TimeSpan, System.AsyncCallback, System.Object)