import type { ScaleLinear, ScaleSymLog, ScaleTime } from 'd3-scale';
import type { ChartUnit } from '../../../../core/types/chart-unit.js';
import type { TimeseriesDatapoint } from '../../../../core/types/timeseries.js';
import { SeriesMetadata, WeakMapDatapoints } from '../../../types/timeseries.js';
/**
 * Return boolean related if data-point is gap
 *
 * @param dataPoint - The data point
 * @param datapointsMap - Data points metadata map
 * @returns Whether the accessor is defined
 */
export declare const definedAccessor: (dataPoint: TimeseriesDatapoint, datapointsMap: WeakMapDatapoints) => boolean;
/**
 * Get x-accessor base on xScale
 *
 * @param xScale - The x-axis scale
 * @param dataPointsMap -
 * @param clampedScale - the clamped scale
 * @returns The area chart x-accessor
 */
export declare const xAxisAccessor: (xScale: ScaleTime<number, number>, dataPointsMap: WeakMapDatapoints, clampedScale: ScaleTime<number, number>) => (dataPoint: TimeseriesDatapoint) => number;
/**
 * Get y0-accessor base on yScale
 *
 * @param yScale - The y-axis scale
 * @param dataPointsMap - Data points metadata map
 * @returns The area chart y0-accessor
 */
export declare const y0AxisAccessor: (yScale: ScaleSymLog<number, number> | ScaleLinear<number, number>, dataPointsMap: WeakMapDatapoints) => (dataPoint: TimeseriesDatapoint) => number;
/**
 * Get y1-accessor base on yScale
 *
 * @param yScale - The y-axis scale
 * @param dataPointsMap - Data points metadata map
 * @returns The area chart y0-accessor
 */
export declare const y1AxisAccessor: (yScale: ScaleSymLog<number, number> | ScaleLinear<number, number>, dataPointsMap: WeakMapDatapoints) => (dataPoint: TimeseriesDatapoint) => number;
/**
 * Get curry accessor of the y1-accessor
 *
 * @returns y1AxisAccessor
 */
export declare function y1(yScaleByUnit: (unit: ChartUnit) => ScaleSymLog<number, number> | ScaleLinear<number, number>, seriesMetadata: SeriesMetadata, datapointsMap: WeakMapDatapoints): (dataPoint: TimeseriesDatapoint) => number;
/**
 * Get curry accesor of the y0-accessor
 *
 * @returns y0AxisAccessor
 */
export declare function y0(yScaleByUnit: (unit: ChartUnit) => ScaleSymLog<number, number> | ScaleLinear<number, number>, seriesMetadata: SeriesMetadata, datapointsMap: WeakMapDatapoints): (dataPoint: TimeseriesDatapoint) => number;