final JComboBox endpointCombo = new JComboBox(endpointsModel);
endpointCombo.setEditable(true);
endpointCombo.setName(END_POINT_COMBO_BOX);
Document textFieldDocument = ((JTextComponent) endpointCombo.getEditor().getEditorComponent()).getDocument();
endpointsModel.listenToChangesIn(textFieldDocument);
endpointCombo.addPropertyChangeListener(this);
endpointCombo.setToolTipText(endpointsModel.getSelectedItem().toString());
return UISupport.addTooltipListener(endpointCombo, "- no endpoint set for request -");
}