FileReader fileReader = new FileReader(SIMPLE_TEST);
try {
ParameterizationBuilder pb = new ParameterizationBuilder();
BufferedReader buffered = new BufferedReader(fileReader);
Yaml yaml = new Yaml();
for (Object objRaw : yaml.loadAll(buffered)) {
List<?> asList = (List<?>) objRaw;
for (Object lineRaw : asList) {
Map<?,?> line = (Map<?,?>) lineRaw;
if (line.size() != 1)
throw new RuntimeException("need key-val pair:" + line);