private PatternSegment FindOrCreate(string value)
{
var subSegment = subSegments.Find(s => s.value == value);
if (subSegment == null)
{
subSegment = PatternSegment.Create(value);
this.subSegments.Add(subSegment);
}
return(subSegment);
}
public PatternCollection()
{
this.root = PatternSegment.Create(string.Empty);
}