Bug 312761 It makes no difference changing the series labels position in Radar chart.[13]
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/util/LiteralHelper.java
String suffix = ".displayName"; 
		return new NameSet( prefix, suffix, toStringNameArray( Position.VALUES ) );
	}
	private static NameSet getDateFormatDetailSet( )
	{
		String prefix = "DateFormatDetail."; 
		String suffix = ".displayName"; 
		return new NameSet( prefix,
				suffix,
				toStringNameArray( DateFormatDetail.VALUES ) );
	}
	private static NameSet getDateFormatTypeSet( )
	{
		String prefix = "DateFormatType."; 
		String suffix = ".displayName"; 
		return new NameSet( prefix,
				suffix,
				toStringNameArray( DateFormatType.VALUES ) );
	}
	private static NameSet getLegendBehaviorTypeSet( )
	{
		String prefix = "LegendBehaviorType."; 
		String suffix = ".displayName"; 
		return new NameSet( prefix,
				suffix,
				toStringNameArray( LegendBehaviorType.VALUES ) );
	}
	
	private static NameSet getTitleAnchorSet() {
		String prefix = "Anchor.";