private void addHeaderGroup(Composite parent) {
    Group group = new Group(parent, SWT.NONE);
    group.setText(Messages.CoProc2LaunchConfigurationMainTab_HeaderGroupTitle);
    GridLayout layout = new GridLayout();
    layout.numColumns = 2;
    group.setLayout(layout);
    GridData gd = new GridData();
    gd.grabExcessHorizontalSpace = true;
    gd.horizontalAlignment = SWT.FILL;
    group.setLayoutData(gd);

    headerTable = new HeaderTable(group);
    headerTable.addModifyListener(modifyListener);
  }