private DefaultMutableTreeNode addExperimentToWorkspace(Experiment experiment) { return addExperimentToWorkspace(experiment, getSelectedNode());
private DefaultMutableTreeNode addExperimentToWorkspace(Experiment experiment, DefaultMutableTreeNode node) { DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(experiment, true); addNode(node, newNode); experimentNames.add(experiment.getExperimentName()); workspace.setSelection(newNode);   experiment.addModificationListener(myModificationListener); return newNode;
  private DefaultMutableTreeNode addExperimentToWorkspace(Experiment experiment) {    return addExperimentToWorkspace(experiment, getSelectedNode());  }