| Class | Description | 
|---|---|
| DefaultPathLength | 
 Utilitiy class for length calculations of paths. 
 | 
| DefaultPathLength.PathSegment | 
 A single path segment in the flattened version of the path. 
 | 
| DefaultPathLength.SingleSegmentPathIterator | 
 A  
PathIterator that returns only the next path segment from
 another PathIterator. |