Arrays.sort(keys);
for (int i = 0; i < keys.length; i++)
{
final Object key = keys[i];
System.out.println("Group: '" + key + "' Size: " + expressionsByGroup.getValueCount(key));
final Object[] objects = expressionsByGroup.toArray(key);
for (int j = 0; j < objects.length; j++)
{
ElementMetaData metaData = (ElementMetaData) objects[j];
System.out.println(" " + metaData.getName());
final StyleMetaData[] styleDescriptions = metaData.getStyleDescriptions();