// create a new component and pass the data
Object input = …
PropertiesTreeTableModel model = new PropertiesTreeTableModel(input);
PropertiesEditor editor = new PropertiesEditor(model);

// access to the data; this is either a Map<String, Object> or a List<Object>
Object result = model.getData();

public class PropertiesEditorDemo {

  private static Object createSampleData() {
    Map<String, Object> root = new LinkedHashMap<>();
    root.put("string", "The quick brown fox");
    root.put("boolean", true);
    root.put("numbers", 42);
    root.put("fruits", Arrays.asList("apple", "orange", "grapefruit"));
    return root;
  }

  public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setTitle("Properties Editor Demo");
    frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    frame.setMinimumSize(new Dimension(600, 400));
    frame.add(new PropertiesEditor(new PropertiesTreeTableModel(createSampleData())));
    frame.setVisible(true);
  }

}

PropertiesEditorConfigBuilder configBuilder = PropertiesEditorConfig.builder();

// use "Object" and "Array" instead of "Map" and "List"
configBuilder.addType(new PropertyTypes.MapType("Object"));
configBuilder.addType(new PropertyTypes.ListType("Array"));

// only allow String and Boolean
configBuilder.addDefaultType(new PropertyTypes.StringType("String", ""));
configBuilder.addType(new PropertyTypes.BooleanType("Boolean", true));

PropertiesEditorConfig config = configBuilder.build();
PropertiesTreeTableModel model = new PropertiesTreeTableModel(config, data);