declare namespace Ext {
    export namespace chart {
        export namespace series {
            export interface PieConfig {
                angleField?: string;
                animation?: object;
                background?: object;
                bind?: object | string;
                center?: [];
                clockwise?: boolean;
                colors?: [];
                controller?: string | object | Ext.app.ViewController;
                defaultListenerScope?: boolean;
                donut?: number;
                hidden?: [];
                highlight?: boolean | object;
                highlightCfg?: Ext.chart.series.sprite.PieSlice | object;
                highlightItem?: object;
                itemInstancing?: object;
                label?: object;
                labelOverflowPadding?: number;
                listeners?: object;
                marker?: object | boolean;
                markerSubStyle?: object;
                offsetX?: number;
                offsetY?: number;
                overlaySurface?: object;
                publishes?: string | string[] | object;
                radiusFactor?: number;
                radiusField?: string;
                reference?: string;
                renderer?: CallableFunction;
                rotation?: number;
                session?: boolean | object | Ext.data.Session;
                showInLegend?: boolean;
                showMarkers?: boolean;
                store?: object;
                style?: object;
                subStyle?: object;
                surface?: Ext.draw.Surface;
                title?: string | string[];
                tooltip?: object;
                totalAngle?: number;
                twoWayBindable?: string | string[] | object;
                useDarkerStrokeColor?: boolean | number;
                viewModel?: string | object | Ext.app.ViewModel;
            }

            export class Pie extends Ext.chart.series.Polar  {
                public getClockwise(): void;
                public getDonut(): void;
                public getItemForAngle(angle?: number): object;
                public getRadiusFactor(): void;
                public getTotalAngle(): void;
                public setClockwise(): void;
                public setDonut(): void;
                public setRadiusFactor(): void;
                public setTotalAngle(): void;
            }
        }
    }
}