/wro4j-maven-plugin/src/main/java/ro/isdc/wro/maven/plugin/AbstractSingleProcessorMojo.java
processGroup ( group, resourceType ) ; return null;
final Collection<String> groupsAsList = getTargetGroupsAsList(); for (final String group : groupsAsList) { for (final ResourceType resourceType : ResourceType.values()) { if (isParallelProcessing()) { callables.add(Context.decorate(new Callable<Void>() { public Void call() throws Exception { <extra_id_0> } })); } else { processGroup(group, resourceType); } }