Group retrieveGroup = new Group(composite, SWT.NONE);
retrieveGroup.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false));
retrieveGroup.setLayout(new GridLayout());
retrieveGroup.setText("Retrieve configuration");
retrieveComposite = new RetrieveComposite(retrieveGroup, SWT.NONE);
retrieveComposite.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false));
Group containerGroup = new Group(composite, SWT.NONE);
containerGroup.setText("Classpath container configuration");
containerGroup.setLayout(new GridLayout(3, false));