protected Path getMetaPath() {
        if (path.toString().equals("")) {
            return Path.fromString(metaDir).append(".root");
        } else {
            return path.getParentPath().append(metaDir).append(path.getName());
        }
    }
Gets the path that this file represents.

@return a Path
config-model-api/src/main/java/com/yahoo/config/application/api/ApplicationFile.java