import { XYComponentConfigInterface } from '../../core/xy-component/config';
import { CurveType } from '../../types/curve';
import { ColorAccessor, GenericAccessor, StringAccessor } from '../../types/accessor';
import { LinePatternType } from '../../styles/patterns';

export interface LineConfigInterface<Datum> extends XYComponentConfigInterface<Datum> {
    /** Line color accessor function. The whole data array will be passed as the first argument. Default: `undefined` */
    color?: ColorAccessor<Datum[]>;
    /** Line pattern accessor. Resolves to a `LinePatternType`. The whole data array is passed as the first argument. Default: `undefined` */
    pattern?: GenericAccessor<LinePatternType, Datum[]>;
    /** Curve type from the CurveType enum. Default: `CurveType.MonotoneX` */
    curveType?: CurveType;
    /** Line width in pixels. Default: `2` */
    lineWidth?: number;
    /** Line dash array, see SVG's stroke-dasharray. Default: `undefined` */
    lineDashArray?: GenericAccessor<number[], Datum[]>;
    /** When a data point has an `undefined`, `NaN`, or other no-data value, they'll be replaced with a value specified here.
     * Setting this property to `undefined` will lead to having the line break when there's no data, and continue when
     * the data appears again. If you set it to `null`, the values will be treated as numerical `0` values and the line
     * won't break; however if the whole dataset consists of only `null`s, the line won't be displayed.
     * Default: `undefined`
    */
    fallbackValue?: number | undefined | null;
    /** Highlight line on hover. Default: `false` */
    highlightOnHover?: boolean;
    /** Optional link cursor. Default: `null` */
    cursor?: StringAccessor<Datum[]>;
    /** Enable interpolated line where data points are missing or fallbackValue is used.
     * You can customize the line's appearance with `--vis-line-gapfill-stroke-dasharray`
     * and `--vis-line-gapfill-stroke-opacity` CSS variables.
     * Default: `false` */
    interpolateMissingData?: boolean;
}
export declare const LineDefaultConfig: LineConfigInterface<unknown>;