import { type RectDatapointInternal, type SeriesVariantType, type ShapeDatapointWithGapPolicy, type MapDatapoints } from '../types/xy-chart-internals.js'; import type { AreaDatapoint, BarDatapoint, DotDatapoint, LineDatapoint } from '../types/xy-chart.js'; export declare function isGapDatapointForDisplay(datapointMetadataMap: MapDatapoints): (datapoint: T) => boolean; export declare const isValidDatapointForDownload: (metadata: MapDatapoints) => (type: SeriesVariantType, datapoint: RectDatapointInternal | DotDatapoint | LineDatapoint | BarDatapoint | AreaDatapoint) => boolean;