import { UnknownValuePlotting } from "igniteui-webcomponents-core";
import { IgcHorizontalAnchoredCategorySeriesComponent } from "./igc-horizontal-anchored-category-series-component";
import { LineSeries } from "./LineSeries";
/**
 * Represents a IgxDataChartComponent line series.
 * Displays trend over time or ordered categories.
 * Useful when there are many data points and the order is important.
*
* `LineSeries` belongs to a group of `CategorySeries` and it is rendered using a collection of points connected by straight line segments.
*/
export declare class IgcLineSeriesComponent extends IgcHorizontalAnchoredCategorySeriesComponent {
    protected createImplementation(): LineSeries;
    /**
                                 * @hidden
                                 */
    get i(): LineSeries;
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    private static _observedAttributesIgcLineSeriesComponent;
    static get observedAttributes(): string[];
    static htmlTagName: string;
    protected static _isElementRegistered: boolean;
    static register(): void;
    /**
     * Gets whether the current series shows only line shapes.
    */
    get isLineOnly(): boolean;
    /**
     * Gets whether the current series shows an area or line shape.
    *
    * Gets whether the `Series` shows an area or a line shape.
    *
    * ```ts
    * let isAreaOrLine: boolean = series.isAreaOrLine;
    * ```
    */
    get isAreaOrLine(): boolean;
    /**
     * Determines how unknown values will be plotted on the chart.
     * Null and Double.NaN are two examples of unknown values.
    *
    * Determines how unknown values will be plotted for the `Series`. This can be set to `LinearInterpolate` to create a continous shape or `DontPlot` to create breaks in the series.
    *
    * Null and Double.NaN are two examples of unknown values.
    *
    * ```ts
    * series.unknownValuePlotting = UnknownValuePlotting.LinearInterpolate;
    * ```
    */
    get unknownValuePlotting(): UnknownValuePlotting;
    set unknownValuePlotting(v: UnknownValuePlotting);
}