import { DefaultizedProps } from '../helpers';
import type { StackOffsetType } from '../stacking';
import { CartesianSeriesType, CommonDefaultizedProps, CommonSeriesType, SeriesId, StackableSeriesType } from './common';
export type CurveType = 'catmullRom' | 'linear' | 'monotoneX' | 'monotoneY' | 'natural' | 'step' | 'stepBefore' | 'stepAfter';
export interface ShowMarkParams<AxisValue = number | Date> {
    /**
     * The item index.
     */
    index: number;
    /**
     * The x coordinate in the SVG.
     */
    x: number;
    /**
     * The y coordinate in the SVG.
     */
    y: number;
    /**
     * The item position value. It likely comes from the axis `data` property.
     */
    position: AxisValue;
    /**
     * The item value. It comes from the series `data` property.
     */
    value: number;
}
export interface LineSeriesType extends CommonSeriesType<number | null>, CartesianSeriesType, StackableSeriesType {
    type: 'line';
    /**
     * Data associated to the line.
     */
    data?: (number | null)[];
    /**
     * The key used to retrieve data from the dataset.
     */
    dataKey?: string;
    stack?: string;
    area?: boolean;
    /**
     * The label to display on the tooltip or the legend. It can be a string or a function.
     */
    label?: string | ((location: 'tooltip' | 'legend') => string);
    curve?: CurveType;
    /**
     * Define which items of the series should display a mark.
     * If can be a boolean that applies to all items.
     * Or a callback that gets some item properties and returns true if the item should be displayed.
     */
    showMark?: boolean | ((params: ShowMarkParams) => boolean);
    /**
     * Do not render the line highlight item if set to `true`.
     * @default false
     */
    disableHighlight?: boolean;
    /**
     * If `true`, line and area connect points separated by `null` values.
     * @default false
     */
    connectNulls?: boolean;
    /**
     * Defines how stacked series handle negative values.
     * @default 'none'
     */
    stackOffset?: StackOffsetType;
    /**
     * The value of the line at the base of the series area.
     *
     * - `'min'` the area will fill the space **under** the line.
     * - `'max'` the area will fill the space **above** the line.
     * - `number` the area will fill the space between this value and the line
     *
     * @default 0
     */
    baseline?: number | 'min' | 'max';
}
/**
 * An object that allows to identify a single line.
 * Used for item interaction
 */
export type LineItemIdentifier = {
    type: 'line';
    seriesId: SeriesId;
    /**
     * `dataIndex` can be `undefined` if the mouse is over the area and not a specific item.
     */
    dataIndex?: number;
};
export interface DefaultizedLineSeriesType extends DefaultizedProps<LineSeriesType, CommonDefaultizedProps | 'color'> {
}