final String additionalContributorsStr = def.getHint( PropertyEditorDef.HINT_ASSIST_CONTRIBUTORS );
if( additionalContributorsStr != null )
{
final ISapphireUiDef rootdef = def.nearest( ISapphireUiDef.class );
for( String segment : additionalContributorsStr.split( "," ) )
{
final Class<?> cl = rootdef.resolveClass( segment.trim() );