private ObjectList itemLabelGeneratorList;

    /** The base item label generator. */
    private XYItemLabelGenerator baseItemLabelGenerator;

    /**
     * The tool tip generator for ALL series.
     *
     * @deprecated This field is redundant, use tooltipGeneratorList and
     *     baseToolTipGenerator instead.  Deprecated as of version 1.0.6.
     */
    private XYToolTipGenerator toolTipGenerator;

    /** A list of tool tip generators (one per series). */
    private ObjectList toolTipGeneratorList;

    /** The base tool tip generator. */
    private XYToolTipGenerator baseToolTipGenerator;