public static List<FileReference> toFileReferences(List<PathNode> pathNodes) {
        List<FileReference> fileReferences = new ArrayList<>();
        for (PathNode pathNode : pathNodes)
            fileReferences.add(pathNode.getFileReference());
        return fileReferences;
    }
Represents a 'path' in a {@link ConfigInstance}, usually a filename.

@author gjoranv
config-lib/src/main/java/com/yahoo/config/PathNode.java