Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/ReferenceableElement.java
else if ( value instanceof List )
			{
				List valueList = (List) value;
				for ( int i = 0; i < valueList.size( ); i++ )
				{
					ElementRefValue item = (ElementRefValue) valueList.get( i );
					if ( item.getElement( ) == this )
					{
						item.unresolved( item.getName( ) );
						dropClient( client );
					}
				}
			}
			
			
			if ( IStyledElementModel.STYLE_PROP.equalsIgnoreCase( ref.propName ) )
				client.broadcast( new StyleEvent( client ) );
			else
				client.resolveElementReference( root, client
						.getPropertyDefn( ref.propName ) );
		}
	}
	/**
	 * Clears all clients.
	 */
	public void clearClients( )
	{
		clients = new ArrayList( );
	}
}