ExpandableComposite.TITLE_BAR);
mappingFieldSection.setText(Messages.getString("MappingsSection.mappingfield_sname_"+suffix)); //$NON-NLS-1$
GridData gd = new GridData(SWT.FILL, 0, true, false);
mappingFieldSection.setLayoutData(gd);
MappingFieldComposite fieldAOrBComposite = new MappingFieldComposite(mappingFieldSection, toolkit, modelManager);
mappingFieldSection.setClient(fieldAOrBComposite);
return fieldAOrBComposite;
}