}

    CHILD getNodeWithIndexOfSelectedChild(ChildMap<CHILD> newChildren) {
        int index = indexOfSelectedChild
        return childEntries(newChildren).get(index).value
    }

    String getCommonPrefix() {
        return selectedChildPath.substring(0, searchedPath.lengthOfCommonPrefix(selectedChildPath, CASE_SENSITIVE))
    }

    String getPathFromCommonPrefix() {