public PeakList <T> Process(PeakList <T> t)
{
List <PeakList <T> > envelopes = t.GetEnvelopes(this.ppmTolerance);
((List <T>)t).Clear();
foreach (var envelope in envelopes)
{
t.Add(envelope[0]);
}
t.Sort((m1, m2) => m1.Mz.CompareTo(m2.Mz));
return(t);
}