declare namespace Ext {
    export namespace chart {
        export namespace series {
            export interface LineConfig {
                animation?: object;
                background?: object;
                bind?: object | string;
                colors?: [];
                controller?: string | object | Ext.app.ViewController;
                defaultListenerScope?: boolean;
                fill?: boolean;
                hidden?: boolean | [];
                highlight?: boolean | object;
                highlightCfg?: object;
                highlightItem?: object;
                itemInstancing?: object;
                label?: object;
                labelOverflowPadding?: number;
                listeners?: object;
                marker?: object | boolean;
                markerSubStyle?: object;
                nullStyle?: "gap" | "connect" | "origin";
                overlaySurface?: object;
                publishes?: string | string[] | object;
                reference?: string;
                renderer?: CallableFunction;
                selectionTolerance?: number;
                session?: boolean | object | Ext.data.Session;
                showInLegend?: boolean;
                showMarkers?: boolean;
                smooth?: boolean;
                step?: boolean;
                store?: object;
                style?: object;
                subStyle?: object;
                surface?: Ext.draw.Surface;
                title?: string | string[];
                tooltip?: object;
                twoWayBindable?: string | string[] | object;
                useDarkerStrokeColor?: boolean | number;
                viewModel?: string | object | Ext.app.ViewModel;
                xAxis?: Ext.chart.axis.Axis | number | string;
                xField?: string;
                yAxis?: Ext.chart.axis.Axis | number | string;
                yField?: string | string[];
            }

            export class Line extends Ext.chart.series.Cartesian  {
                public getFill(): void;
                public getNullStyle(): void;
                public getSelectionTolerance(): void;
                public getSmooth(): void;
                public getStep(): void;
                public setFill(): void;
                public setNullStyle(): void;
                public setSelectionTolerance(): void;
                public setSmooth(): void;
                public setStep(): void;
            }
        }
    }
}