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/model/type/impl/PieSeriesImpl.java
Notification.UNSET,
					TypePackage.PIE_SERIES__LEADER_LINE_LENGTH,
					oldLeaderLineLength,
					LEADER_LINE_LENGTH_EDEFAULT,
					oldLeaderLineLengthESet ) );
	}
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetLeaderLineLength( )
	{
		return leaderLineLengthESet;
	}
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public ColorDefinition getSliceOutline( )
	{
		return sliceOutline;
	}
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetSliceOutline(
			ColorDefinition newSliceOutline, NotificationChain msgs )
	{
		ColorDefinition oldSliceOutline = sliceOutline;