import * as React from 'react';
import { IgPoint } from "igniteui-react-core";
import { IgDataTemplate } from "igniteui-react-core";
import { LabelsPosition } from "./LabelsPosition";
import { Visibility } from "igniteui-react-core";
import { LeaderLineType } from "./LeaderLineType";
import { OthersCategoryType } from "./OthersCategoryType";
import { IgrIndexCollection } from "./igr-index-collection";
import { SweepDirection } from "igniteui-react-core";
import { LegendEmptyValuesMode } from "./LegendEmptyValuesMode";
import { SliceSelectionMode } from "./SliceSelectionMode";
import { IgrObjectCollection } from "igniteui-react-core";
import { IgrLabelClickEventArgs } from "./igr-label-click-event-args";
import { IgrSelectedItemChangingEventArgs } from "./igr-selected-item-changing-event-args";
import { IgrSelectedItemsChangingEventArgs } from "./igr-selected-items-changing-event-args";
import { IgrSelectedItemChangedEventArgs } from "./igr-selected-item-changed-event-args";
import { IgrSelectedItemsChangedEventArgs } from "./igr-selected-items-changed-event-args";
import { IgrSliceClickEventArgs } from "./igr-slice-click-event-args";
import { IgrSliceEventArgs } from "./igr-slice-event-args";
import { PieChartBase } from "./PieChartBase";
import { ContentChildrenManager } from "igniteui-react-core";
/**
 * Represents the base class for the pie chart.
*/
export declare abstract class IgrPieChartBase<P extends IIgrPieChartBaseProps = IIgrPieChartBaseProps> extends React.Component<P, {}> {
    protected createImplementation(): PieChartBase;
    protected _implementation: any;
    /**
     * @hidden
     */
    get i(): PieChartBase; /**
                                 * @hidden
                                 */
    static _createFromInternal(internal: any): IgrPieChartBase;
    private onImplementationCreated;
    protected _contentChildrenManager: ContentChildrenManager;
    constructor(props: P);
    componentDidMount(): void;
    shouldComponentUpdate(nextProps: any, nextState: any): boolean;
    render(): any;
    /**
     * Gets or sets the amount of space between the center and the start of the arc. This property should be set between 0 and 1.
     * If InnerExtent is set to a value greater than 1, it will be interpreted as a percentage, effectively divided by 100.
    */
    get innerExtent(): number;
    set innerExtent(v: number);
    /**
     * Gets or Sets the property name that contains the values.
    */
    get valueMemberPath(): string;
    set valueMemberPath(v: string);
    /**
     * Gets or sets the property name that contains the labels.
    */
    get labelMemberPath(): string;
    set labelMemberPath(v: string);
    /**
     * Gets or sets the property name that contains the legend labels.
    */
    get legendLabelMemberPath(): string;
    set legendLabelMemberPath(v: string);
    /**
     * Gets or sets the position of chart labels.
    */
    get labelsPosition(): LabelsPosition;
    set labelsPosition(v: LabelsPosition);
    /**
     * Gets or sets the color for labels rendered outside of the pie chart.
    */
    get labelOuterColor(): string;
    set labelOuterColor(v: string);
    /**
     * Gets or sets the color for labels rendered inside of the pie chart.
    */
    get labelInnerColor(): string;
    set labelInnerColor(v: string);
    /**
     * Gets the actual color for labels rendered outside of the pie chart.
    */
    get actualLabelOuterColor(): string;
    set actualLabelOuterColor(v: string);
    /**
     * Gets the actual color for labels rendered inside of the pie chart.
    */
    get actualLabelInnerColor(): string;
    set actualLabelInnerColor(v: string);
    /**
     * Gets or sets whether the leader lines are visible.
    */
    get leaderLineVisibility(): Visibility;
    set leaderLineVisibility(v: Visibility);
    /**
     * Gets or sets what type of leader lines will be used for the outside end labels.
    */
    get leaderLineType(): LeaderLineType;
    set leaderLineType(v: LeaderLineType);
    /**
     * Gets or sets the margin between a label and the end of its leader line. The default is 6 pixels.
    */
    get leaderLineMargin(): number;
    set leaderLineMargin(v: number);
    /**
     * Gets or sets the ToolTip for the chart.
    */
    get toolTip(): any;
    set toolTip(v: any);
    /**
     * Gets or sets the threshold value that determines if slices are grouped into the Others slice.
    */
    get othersCategoryThreshold(): number;
    set othersCategoryThreshold(v: number);
    /**
     * Gets or sets whether to use numeric or percent-based threshold value.
    */
    get othersCategoryType(): OthersCategoryType;
    set othersCategoryType(v: OthersCategoryType);
    /**
     * Gets or sets the label of the Others slice.
    */
    get othersCategoryText(): string;
    set othersCategoryText(v: string);
    /**
     * Determines how much the exploded slice is offset from the center. Value between 0 and 1.
    */
    get explodedRadius(): number;
    set explodedRadius(v: number);
    /**
     * Gets or sets the scaling factor of the chart's radius. Value between 0 and 1.
    */
    get radiusFactor(): number;
    set radiusFactor(v: number);
    /**
     * Gets or sets whether the slices can be selected.
    */
    get allowSliceSelection(): boolean;
    set allowSliceSelection(v: boolean);
    /**
     * Gets or sets whether the slices can be exploded.
    */
    get allowSliceExplosion(): boolean;
    set allowSliceExplosion(v: boolean);
    private _explodedSlices;
    /**
     * Gets or sets the collection of exploded slice indices.
    */
    get explodedSlices(): IgrIndexCollection;
    set explodedSlices(v: IgrIndexCollection);
    /**
     * Gets or sets the pixel amount by which the labels are offset from the edge of the slices.
    */
    get labelExtent(): number;
    set labelExtent(v: number);
    /**
     * Gets or sets the starting angle of the chart.
     * The default zero value is equivalent to 3 o'clock.
    */
    get startAngle(): number;
    set startAngle(v: number);
    /**
     * Gets or sets the rotational direction of the chart.
    */
    get sweepDirection(): SweepDirection;
    set sweepDirection(v: SweepDirection);
    /**
     * Gets or sets the fill brush.
    */
    get othersCategoryFill(): string;
    set othersCategoryFill(v: string);
    /**
     * Gets or sets the stroke brush.
    */
    get othersCategoryStroke(): string;
    set othersCategoryStroke(v: string);
    /**
     * Gets or sets the stroke thickness.
    */
    get othersCategoryStrokeThickness(): number;
    set othersCategoryStrokeThickness(v: number);
    /**
     * Gets or sets the opacity.
    */
    get othersCategoryOpacity(): number;
    set othersCategoryOpacity(v: number);
    ensureOthersCategoryStyle(): void;
    /**
     * Gets or sets the fill brush.
    */
    get selectedSliceFill(): string;
    set selectedSliceFill(v: string);
    /**
     * Gets or sets the stroke brush.
    */
    get selectedSliceStroke(): string;
    set selectedSliceStroke(v: string);
    /**
     * Gets or sets the stroke thickness.
    */
    get selectedSliceStrokeThickness(): number;
    set selectedSliceStrokeThickness(v: number);
    /**
     * Gets or sets the opacity.
    */
    get selectedSliceOpacity(): number;
    set selectedSliceOpacity(v: number);
    ensureSelectedStyle(): void;
    /**
     * Gets or sets the palette of brushes to use for coloring the slices.
    */
    get brushes(): string[];
    set brushes(v: string[]);
    /**
     * Gets the actual palette of brushes to use for coloring the slices.
    */
    get actualBrushes(): string[];
    set actualBrushes(v: string[]);
    /**
     * Gets or sets the palette of brushes to use for outlines on the slices.
    */
    get outlines(): string[];
    set outlines(v: string[]);
    /**
     * Gets the actual palette of brushes to use for outlines on the slices.
    */
    get actualOutlines(): string[];
    set actualOutlines(v: string[]);
    /**
     * Gets or sets the label format string to use for the label.
    */
    get labelFormat(): string;
    set labelFormat(v: string);
    /**
     * Gets or sets the format specifiers to use with the LabelFormat string.
    */
    get labelFormatSpecifiers(): any[];
    set labelFormatSpecifiers(v: any[]);
    /**
     * Gets or sets the label format string to use for the label.
    */
    get othersLabelFormat(): string;
    set othersLabelFormat(v: string);
    /**
     * Gets or sets the format specifiers to use with the OthersLabelFormat string.
    */
    get othersLabelFormatSpecifiers(): any[];
    set othersLabelFormatSpecifiers(v: any[]);
    /**
     * Gets or sets the label format string to use for the label.
    */
    get legendLabelFormat(): string;
    set legendLabelFormat(v: string);
    /**
     * Gets or sets the format specifiers to use with the LegendLabelFormat string.
    */
    get legendLabelFormatSpecifiers(): any[];
    set legendLabelFormatSpecifiers(v: any[]);
    /**
     * Gets or sets the label format string to use for the label.
    */
    get legendOthersLabelFormat(): string;
    set legendOthersLabelFormat(v: string);
    /**
     * Gets or sets the format specifiers to use with the LegendOthersLabelFormat string.
    */
    get legendOthersLabelFormatSpecifiers(): any[];
    set legendOthersLabelFormatSpecifiers(v: any[]);
    /**
     * Gets or sets the LegendItemTemplate property.
     * The legend item control content is created according to the LegendItemTemplate on-demand by
     * the chart object itself.
    */
    get legendItemTemplate(): IgDataTemplate;
    set legendItemTemplate(v: IgDataTemplate);
    /**
     * Gets or sets the LegendItemBadgeTemplate property.
     * The legend item badge is created according to the LegendItemBadgeTemplate on-demand by
     * the chart object itself.
    */
    get legendItemBadgeTemplate(): IgDataTemplate;
    set legendItemBadgeTemplate(v: IgDataTemplate);
    /**
     * Gets or sets whether the pie chart will handle drag interaction and make them avaiilable in its events.
    */
    get isDragInteractionEnabled(): boolean;
    set isDragInteractionEnabled(v: boolean);
    /**
     * Gets or sets whether all surface interactions with the plot area should be disabled.
    */
    get isSurfaceInteractionDisabled(): boolean;
    set isSurfaceInteractionDisabled(v: boolean);
    /**
     * Gets or sets whether the pie chart should display mock data when data isn't present.
    */
    get shouldDisplayMockData(): boolean;
    set shouldDisplayMockData(v: boolean);
    /**
     * Gets or sets whether the pie chart should use a skeleton style for mock data.
    */
    get shouldUseSkeletonStyleForMockData(): boolean;
    set shouldUseSkeletonStyleForMockData(v: boolean);
    /**
     * Determines display mode for zero values in the legend.
     * For example, handling zero values as valid slices and providing them with proper appearance settings.
    */
    get legendEmptyValuesMode(): LegendEmptyValuesMode;
    set legendEmptyValuesMode(v: LegendEmptyValuesMode);
    /**
     * Sets or gets a function which takes an object that produces a formatted label for displaying in the chart.
    */
    get formatLabel(): (obj: any) => string;
    set formatLabel(v: (obj: any) => string);
    /**
     * Sets or gets a function which takes an object that produces a formatted label for displaying in the chart's legend.
    */
    get formatLegendLabel(): (obj: any) => string;
    set formatLegendLabel(v: (obj: any) => string);
    /**
     * Gets or sets the scaling value used to affect the pixel density of the control.
     * A higher scaling ratio will produce crisper visuals at the expense of memory.  Lower values will cause the control
     * to appear blurry.
    */
    get pixelScalingRatio(): number;
    set pixelScalingRatio(v: number);
    /**
     * Resolved pixel scaling ratio. Unless explicitly overridden by the
     * PieChartBase.PixelScalingRatio property,
     * this one returns the default ratio enforced by device. High resolution devices will initialize this property
     * to a higher value.
    */
    get actualPixelScalingRatio(): number;
    set actualPixelScalingRatio(v: number);
    /**
     * Gets or sets which mode to use for selecting slices.
    */
    get selectionMode(): SliceSelectionMode;
    set selectionMode(v: SliceSelectionMode);
    /**
     * Gets or sets the currently selected data item.  If a different data item is provided the pie chart
     * will select the slice associated with the new item.
    */
    get selectedItem(): any;
    set selectedItem(v: any);
    private _selectedItems;
    /**
     * Gets the currently selected data items.  Adding or removing data items from this collection will
     * select or deselect the slices associated with those items.
    */
    get selectedItems(): IgrObjectCollection;
    set selectedItems(v: IgrObjectCollection);
    /**
     * Manually overrides the style to use for the labels.
    */
    get textStyle(): string;
    set textStyle(v: string);
    findByName(name: string): any;
    protected __p: string;
    protected _hasUserValues: Set<string>;
    protected get hasUserValues(): Set<string>;
    protected __m(propertyName: string): void;
    protected _stylingContainer: any;
    protected _stylingParent: any;
    protected _inStyling: boolean;
    protected _styling(container: any, component: any, parent?: any): void;
    /**
     * Returns the chart visuals expressed as a serialized string.
    
    */
    exportSerializedVisualData(): string;
    /**
     * Simulates a mouse click action at the specified point.
    
    * @param point  * The point to click at.
    */
    simulateLeftClick(point: IgPoint): void;
    /**
     * Invoked by the containing object to provide reference to the container.
    
    * @param container  * Reference to the container.
    */
    provideContainer(container: any): void;
    /**
     * Notification from the containing object that the container has been resized.
    
    */
    notifyContainerResized(): void;
    /**
     * Invoked when the instance is being destroyed.
    
    */
    destroy(): void;
    /**
     * Use to force the pie chart to finish any deferred work before printing or evaluating its visual.
     * This should only be called if the visual of the pie chart needs to be synchronously saved or evaluated.
     * Calling this method too often will hinder the performance of the pie chart.
    
    */
    flush(): void;
    notifySetItem(source_: any, index: number, oldItem: any, newItem: any): void;
    /**
     * Manually notifies the pie chart's data source that the data it has bound to has been cleared and needs to be re-examined.
     * This should not be called if the data that the pie chart is bound to is already observable.
    
    * @param source_  * The data source.
    */
    notifyClearItems(source_: any): void;
    notifyInsertItem(source_: any, index: number, newItem: any): void;
    notifyRemoveItem(source_: any, index: number, oldItem: any): void;
    /**
     * Assigns data source for the items.
    
    * @param source_  * Array of the data source items.
    */
    setWidgetLevelDataSource(source_: any): void;
    /**
     * Resets items data source.
    
    */
    removeWidgetLevelDataSource(): void;
    /**
     * Invoked when style is updated.
    
    */
    styleUpdated(): void;
    private _labelClick;
    private _labelClick_wrapped;
    /**
     * Raised when the slice's label is clicked.
    */
    get labelClick(): (s: IgrPieChartBase, e: IgrLabelClickEventArgs) => void;
    set labelClick(ev: (s: IgrPieChartBase, e: IgrLabelClickEventArgs) => void);
    private _selectedItemChanging;
    private _selectedItemChanging_wrapped;
    /**
     * Raised when the SelectedItem property is changing.  This event is cancelable.
    */
    get selectedItemChanging(): (s: IgrPieChartBase, e: IgrSelectedItemChangingEventArgs) => void;
    set selectedItemChanging(ev: (s: IgrPieChartBase, e: IgrSelectedItemChangingEventArgs) => void);
    private _selectedItemsChanging;
    private _selectedItemsChanging_wrapped;
    /**
     * Raised when the SelectedItems collection is changing.  This event is cancelable.
    */
    get selectedItemsChanging(): (s: IgrPieChartBase, e: IgrSelectedItemsChangingEventArgs) => void;
    set selectedItemsChanging(ev: (s: IgrPieChartBase, e: IgrSelectedItemsChangingEventArgs) => void);
    private _selectedItemChanged;
    private _selectedItemChanged_wrapped;
    /**
     * Raised when the SelectedItem property has changed.
    */
    get selectedItemChanged(): (s: IgrPieChartBase, e: IgrSelectedItemChangedEventArgs) => void;
    set selectedItemChanged(ev: (s: IgrPieChartBase, e: IgrSelectedItemChangedEventArgs) => void);
    private _selectedItemsChanged;
    private _selectedItemsChanged_wrapped;
    /**
     * Raised when the SelectedItems collection has changed.
    */
    get selectedItemsChanged(): (s: IgrPieChartBase, e: IgrSelectedItemsChangedEventArgs) => void;
    set selectedItemsChanged(ev: (s: IgrPieChartBase, e: IgrSelectedItemsChangedEventArgs) => void);
    private _sliceClick;
    private _sliceClick_wrapped;
    /**
     * Raised when the slice is clicked.
    */
    get sliceClick(): (s: IgrPieChartBase, e: IgrSliceClickEventArgs) => void;
    set sliceClick(ev: (s: IgrPieChartBase, e: IgrSliceClickEventArgs) => void);
    private _sliceEnter;
    private _sliceEnter_wrapped;
    /**
     * Raised when a slice is entered by the pointer.
    */
    get sliceEnter(): (s: IgrPieChartBase, e: IgrSliceEventArgs) => void;
    set sliceEnter(ev: (s: IgrPieChartBase, e: IgrSliceEventArgs) => void);
    private _sliceLeave;
    private _sliceLeave_wrapped;
    /**
     * Raised when a slice is left by the pointer;
    */
    get sliceLeave(): (s: IgrPieChartBase, e: IgrSliceEventArgs) => void;
    set sliceLeave(ev: (s: IgrPieChartBase, e: IgrSliceEventArgs) => void);
    private _sliceHover;
    private _sliceHover_wrapped;
    /**
     * Raised when a pointer moves over a slice.
    */
    get sliceHover(): (s: IgrPieChartBase, e: IgrSliceEventArgs) => void;
    set sliceHover(ev: (s: IgrPieChartBase, e: IgrSliceEventArgs) => void);
}
export interface IIgrPieChartBaseProps {
    children?: React.ReactNode;
    /**
     * Gets or sets the amount of space between the center and the start of the arc. This property should be set between 0 and 1.
     * If InnerExtent is set to a value greater than 1, it will be interpreted as a percentage, effectively divided by 100.
    */
    innerExtent?: number | string;
    /**
     * Gets or Sets the property name that contains the values.
    */
    valueMemberPath?: string;
    /**
     * Gets or sets the property name that contains the labels.
    */
    labelMemberPath?: string;
    /**
     * Gets or sets the property name that contains the legend labels.
    */
    legendLabelMemberPath?: string;
    /**
     * Gets or sets the position of chart labels.
    */
    labelsPosition?: LabelsPosition | string;
    /**
     * Gets or sets the color for labels rendered outside of the pie chart.
    */
    labelOuterColor?: string;
    /**
     * Gets or sets the color for labels rendered inside of the pie chart.
    */
    labelInnerColor?: string;
    /**
     * Gets the actual color for labels rendered outside of the pie chart.
    */
    actualLabelOuterColor?: string;
    /**
     * Gets the actual color for labels rendered inside of the pie chart.
    */
    actualLabelInnerColor?: string;
    /**
     * Gets or sets whether the leader lines are visible.
    */
    leaderLineVisibility?: Visibility | string;
    /**
     * Gets or sets what type of leader lines will be used for the outside end labels.
    */
    leaderLineType?: LeaderLineType | string;
    /**
     * Gets or sets the margin between a label and the end of its leader line. The default is 6 pixels.
    */
    leaderLineMargin?: number | string;
    /**
     * Gets or sets the ToolTip for the chart.
    */
    toolTip?: any;
    /**
     * Gets or sets the threshold value that determines if slices are grouped into the Others slice.
    */
    othersCategoryThreshold?: number | string;
    /**
     * Gets or sets whether to use numeric or percent-based threshold value.
    */
    othersCategoryType?: OthersCategoryType | string;
    /**
     * Gets or sets the label of the Others slice.
    */
    othersCategoryText?: string;
    /**
     * Determines how much the exploded slice is offset from the center. Value between 0 and 1.
    */
    explodedRadius?: number | string;
    /**
     * Gets or sets the scaling factor of the chart's radius. Value between 0 and 1.
    */
    radiusFactor?: number | string;
    /**
     * Gets or sets whether the slices can be selected.
    */
    allowSliceSelection?: boolean | string;
    /**
     * Gets or sets whether the slices can be exploded.
    */
    allowSliceExplosion?: boolean | string;
    /**
     * Gets or sets the collection of exploded slice indices.
    */
    explodedSlices?: IgrIndexCollection | string;
    /**
     * Gets or sets the pixel amount by which the labels are offset from the edge of the slices.
    */
    labelExtent?: number | string;
    /**
     * Gets or sets the starting angle of the chart.
     * The default zero value is equivalent to 3 o'clock.
    */
    startAngle?: number | string;
    /**
     * Gets or sets the rotational direction of the chart.
    */
    sweepDirection?: SweepDirection | string;
    /**
     * Gets or sets the fill brush.
    */
    othersCategoryFill?: string;
    /**
     * Gets or sets the stroke brush.
    */
    othersCategoryStroke?: string;
    /**
     * Gets or sets the stroke thickness.
    */
    othersCategoryStrokeThickness?: number | string;
    /**
     * Gets or sets the opacity.
    */
    othersCategoryOpacity?: number | string;
    /**
     * Gets or sets the fill brush.
    */
    selectedSliceFill?: string;
    /**
     * Gets or sets the stroke brush.
    */
    selectedSliceStroke?: string;
    /**
     * Gets or sets the stroke thickness.
    */
    selectedSliceStrokeThickness?: number | string;
    /**
     * Gets or sets the opacity.
    */
    selectedSliceOpacity?: number | string;
    /**
     * Gets or sets the palette of brushes to use for coloring the slices.
    */
    brushes?: string[] | string;
    /**
     * Gets the actual palette of brushes to use for coloring the slices.
    */
    actualBrushes?: string[] | string;
    /**
     * Gets or sets the palette of brushes to use for outlines on the slices.
    */
    outlines?: string[] | string;
    /**
     * Gets the actual palette of brushes to use for outlines on the slices.
    */
    actualOutlines?: string[] | string;
    /**
     * Gets or sets the label format string to use for the label.
    */
    labelFormat?: string;
    /**
     * Gets or sets the format specifiers to use with the LabelFormat string.
    */
    labelFormatSpecifiers?: any[];
    /**
     * Gets or sets the label format string to use for the label.
    */
    othersLabelFormat?: string;
    /**
     * Gets or sets the format specifiers to use with the OthersLabelFormat string.
    */
    othersLabelFormatSpecifiers?: any[];
    /**
     * Gets or sets the label format string to use for the label.
    */
    legendLabelFormat?: string;
    /**
     * Gets or sets the format specifiers to use with the LegendLabelFormat string.
    */
    legendLabelFormatSpecifiers?: any[];
    /**
     * Gets or sets the label format string to use for the label.
    */
    legendOthersLabelFormat?: string;
    /**
     * Gets or sets the format specifiers to use with the LegendOthersLabelFormat string.
    */
    legendOthersLabelFormatSpecifiers?: any[];
    /**
     * Gets or sets the LegendItemTemplate property.
     * The legend item control content is created according to the LegendItemTemplate on-demand by
     * the chart object itself.
    */
    legendItemTemplate?: IgDataTemplate;
    /**
     * Gets or sets the LegendItemBadgeTemplate property.
     * The legend item badge is created according to the LegendItemBadgeTemplate on-demand by
     * the chart object itself.
    */
    legendItemBadgeTemplate?: IgDataTemplate;
    /**
     * Gets or sets whether the pie chart will handle drag interaction and make them avaiilable in its events.
    */
    isDragInteractionEnabled?: boolean | string;
    /**
     * Gets or sets whether all surface interactions with the plot area should be disabled.
    */
    isSurfaceInteractionDisabled?: boolean | string;
    /**
     * Gets or sets whether the pie chart should display mock data when data isn't present.
    */
    shouldDisplayMockData?: boolean | string;
    /**
     * Gets or sets whether the pie chart should use a skeleton style for mock data.
    */
    shouldUseSkeletonStyleForMockData?: boolean | string;
    /**
     * Determines display mode for zero values in the legend.
     * For example, handling zero values as valid slices and providing them with proper appearance settings.
    */
    legendEmptyValuesMode?: LegendEmptyValuesMode | string;
    /**
     * Sets or gets a function which takes an object that produces a formatted label for displaying in the chart.
    */
    formatLabel?: (obj: any) => string;
    /**
     * Sets or gets a function which takes an object that produces a formatted label for displaying in the chart's legend.
    */
    formatLegendLabel?: (obj: any) => string;
    /**
     * Gets or sets the scaling value used to affect the pixel density of the control.
     * A higher scaling ratio will produce crisper visuals at the expense of memory.  Lower values will cause the control
     * to appear blurry.
    */
    pixelScalingRatio?: number | string;
    /**
     * Resolved pixel scaling ratio. Unless explicitly overridden by the
     * PieChartBase.PixelScalingRatio property,
     * this one returns the default ratio enforced by device. High resolution devices will initialize this property
     * to a higher value.
    */
    actualPixelScalingRatio?: number | string;
    /**
     * Gets or sets which mode to use for selecting slices.
    */
    selectionMode?: SliceSelectionMode | string;
    /**
     * Gets or sets the currently selected data item.  If a different data item is provided the pie chart
     * will select the slice associated with the new item.
    */
    selectedItem?: any;
    /**
     * Gets the currently selected data items.  Adding or removing data items from this collection will
     * select or deselect the slices associated with those items.
    */
    selectedItems?: IgrObjectCollection | string;
    /**
     * Manually overrides the style to use for the labels.
    */
    textStyle?: string;
    /**
     * Raised when the slice's label is clicked.
    */
    labelClick?: (s: IgrPieChartBase, e: IgrLabelClickEventArgs) => void;
    /**
     * Raised when the SelectedItem property is changing.  This event is cancelable.
    */
    selectedItemChanging?: (s: IgrPieChartBase, e: IgrSelectedItemChangingEventArgs) => void;
    /**
     * Raised when the SelectedItems collection is changing.  This event is cancelable.
    */
    selectedItemsChanging?: (s: IgrPieChartBase, e: IgrSelectedItemsChangingEventArgs) => void;
    /**
     * Raised when the SelectedItem property has changed.
    */
    selectedItemChanged?: (s: IgrPieChartBase, e: IgrSelectedItemChangedEventArgs) => void;
    /**
     * Raised when the SelectedItems collection has changed.
    */
    selectedItemsChanged?: (s: IgrPieChartBase, e: IgrSelectedItemsChangedEventArgs) => void;
    /**
     * Raised when the slice is clicked.
    */
    sliceClick?: (s: IgrPieChartBase, e: IgrSliceClickEventArgs) => void;
    /**
     * Raised when a slice is entered by the pointer.
    */
    sliceEnter?: (s: IgrPieChartBase, e: IgrSliceEventArgs) => void;
    /**
     * Raised when a slice is left by the pointer;
    */
    sliceLeave?: (s: IgrPieChartBase, e: IgrSliceEventArgs) => void;
    /**
     * Raised when a pointer moves over a slice.
    */
    sliceHover?: (s: IgrPieChartBase, e: IgrSliceEventArgs) => void;
}
