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