return the tree at the given index . concode_field_sep List<Pair<HistoryRoot,SingleCaseHistoryTree>> trees concode_field_sep int getNumberOfChildren concode_elem_sep Set<HistoryNode> getChildren concode_elem_sep List<ResultingDisplayTree> finishTree concode_elem_sep int size concode_elem_sep void addRoot concode_elem_sep List<ResultingDisplayTree> displayTreeHelper concode_elem_sep HistoryRoot getRoot concode_elem_sep ResultingDisplayTree createTreeForDisplay
SingleCaseHistoryTree function ( int arg0 ) { return trees . get ( arg0 ) . snd ( ) ; }