import { Description } from "./Description";
import { RingSeriesBaseDescription } from "./RingSeriesBaseDescription";
import { Type } from "./type";
/**
 * @hidden
 */
export declare class DoughnutChartDescription extends Description {
    static $t: Type;
    private x;
    get background(): string;
    set background(a: string);
    protected get_type(): string;
    get type(): string;
    constructor();
    private i;
    get allowSliceSelection(): boolean;
    set allowSliceSelection(a: boolean);
    private j;
    get isSurfaceInteractionDisabled(): boolean;
    set isSurfaceInteractionDisabled(a: boolean);
    private h;
    get allowSliceExplosion(): boolean;
    set allowSliceExplosion(a: boolean);
    private f;
    get series(): RingSeriesBaseDescription[];
    set series(a: RingSeriesBaseDescription[]);
    private o;
    get innerExtent(): number;
    set innerExtent(a: number);
    private z;
    get selectedSliceFill(): string;
    set selectedSliceFill(a: string);
    private aa;
    get selectedSliceStroke(): string;
    set selectedSliceStroke(a: string);
    private r;
    get selectedSliceStrokeThickness(): number;
    set selectedSliceStrokeThickness(a: number);
    private q;
    get selectedSliceOpacity(): number;
    set selectedSliceOpacity(a: number);
    private p;
    get pixelScalingRatio(): number;
    set pixelScalingRatio(a: number);
    private n;
    get actualPixelScalingRatio(): number;
    set actualPixelScalingRatio(a: number);
    private ab;
    get sliceClickRef(): string;
    set sliceClickRef(a: string);
    private y;
    get holeDimensionsChangedRef(): string;
    set holeDimensionsChangedRef(a: string);
}