System.IO.Log.IRecordSequence.BeginReserveAndAppend(System.Collections.Generic.IList<System.ArraySegment<System.Byte>>, System.IO.Log.SequenceNumber, System.IO.Log.SequenceNumber, System.IO.Log.RecordAppendOptions, System.IO.Log.ReservationCollection, System.Int64[], System.AsyncCallback, System.Object)