import { CHART } from '../constants/index';
import { Color, ColorGetter, Formatter, MultiLine } from '../types/index';
/**
 * Maps a color name to its corresponding ANSI color code.
 * @param {Color} color - The color to map.
 * @returns {string} - The ANSI escape code for the specified color.
 */
export declare const getAnsiColor: (color: Color) => string;
/**
 * Configures and applies colors to chart symbols based on the specified color or series.
 * @param {Color | Color[] | ColorGetter | undefined} color - The color setting for the series.
 * @param {number} series - The index of the series.
 * @param {Partial<typeof CHART> | undefined} chartSymbols - Custom symbols for the chart, if any.
 * @param {MultiLine} input - The dataset used in the chart.
 * @param {boolean} [fillArea] - If true, fills the area under the plot with the chart's fill symbol.
 * @returns {object} - An object with chart symbols applied in the specified color(s).
 */
export declare const getChartSymbols: (color: Color | Color[] | undefined | ColorGetter, series: number, chartSymbols: Partial<typeof CHART> | void, input: MultiLine, fillArea?: boolean) => {
    we: string;
    wns: string;
    ns: string;
    nse: string;
    wsn: string;
    sne: string;
    area: string;
} | {
    we: string;
    wns: string;
    ns: string;
    nse: string;
    wsn: string;
    sne: string;
    area: string;
};
/**
 * Formats a number for display, converting values >= 1000 to a "k" notation.
 * @param {number} value - The value to format.
 * @returns {string | number} - The formatted value as a string with "k" for thousands or as a rounded number.
 */
export declare const defaultFormatter: Formatter;