import type { ScaleLinear, ScaleSymLog, ScaleTime } from 'd3-scale';
import type { SparklineDatapointMetadata } from '../types/sparkline-props.js';
/**
 * Get x-accessor base on xScale
 *
 * @param xScale - The x-axis scale
 * @returns The sparkline chart x-accessor
 */
export declare const xAxisAccessor: (xScale: ScaleTime<number, number>) => (dataPoint: SparklineDatapointMetadata) => number;
/**
 * Get y-accessor base on yScale
 *
 * @param yScale - The y-axis scale
 * @returns The sparkline chart y0-accessor
 */
export declare const yAccessor: (yScale: ScaleLinear<number, number> | ScaleSymLog<number, number>) => (dataPoint: SparklineDatapointMetadata) => number;
/**
 * Get y0-accessor base on yScale
 *
 * @param yScale - The y-axis scale
 * @returns The sparkline chart y0-accessor
 */
export declare const y0Accessor: (yScale: ScaleLinear<number, number> | ScaleSymLog<number, number>) => () => number;
/**
 * Get y1-accessor base on yScale
 *
 * @param yScale - The y-axis scale
 * @returns The sparkline chart y1-accessor
 */
export declare const y1Accessor: (yScale: ScaleLinear<number, number> | ScaleSymLog<number, number>) => (dataPoint: SparklineDatapointMetadata) => number;
/**
 * Get if data-point is a gap
 *
 * @param datapoint - The data points
 * @returns Whether the accessor is defined
 */
export declare const definedAccessor: (datapoint: SparklineDatapointMetadata) => boolean;
/**
 * Get accessor if data point has gap before and after
 *
 * @param dataPoints - The data points
 * @param index - The index of the data point in the data points array
 */
export declare const isIsolatedAccessor: (dataPoints: SparklineDatapointMetadata[], index: number) => boolean;
/**
 * Get x-accessor for bar variant of the sparkline chart
 *
 * @param xScale - The x-axis scale
 * @returns The x-accessor for bar variant of the sparkline chart
 */
export declare const barXAxisAccessor: (xScale: ScaleTime<number, number>) => (dataPoint: SparklineDatapointMetadata) => number;
/**
 * Get y-accessor for bar variant of the sparkline chart
 *
 *
 * @param yScale - The y-axis scale
 * @returns The y-accessor for bar variant of the sparkline chart
 */
export declare const barYAxisAccessor: (yScale: ScaleLinear<number, number> | ScaleSymLog<number, number>) => (dataPoint: SparklineDatapointMetadata) => number;
/**
 * Get a bar width for the sparkline chart
 *
 * @param datapoint - Sparkline's data point
 * @param xScale - The x-axis scale
 * @returns The bar width
 */
export declare const barWidthAccessor: (datapoint: SparklineDatapointMetadata, xScale: ScaleTime<number, number>) => number;
/**
 * Get a bar height for the sparkline chart
 *
 * @param datapoint - Sparkline's data point
 * @param yScale - The y-axis scale
 * @returns The bar height
 */
export declare const barHeightAccessor: (datapoint: SparklineDatapointMetadata, yScale: ScaleLinear<number, number> | ScaleSymLog<number, number>) => number;