import { Symbols, MultiLine, Formatter, Coordinates } from '../types';
/**
 * Merges custom symbols with default axis symbols and defines plot symbols.
 * @param {object} options - An object containing optional custom symbols.
 * @param {Symbols} options.symbols - Custom symbols for the plot.
 * @returns {object} - Object containing the merged axis symbols, and defined symbols for empty, background, and border.
 */
export declare const getSymbols: ({ symbols }: {
    symbols?: Symbols;
}) => {
    axisSymbols: {
        n: string;
        ns: string;
        y: string;
        nse: string;
        x: string;
        we: string;
        e: string;
    };
    emptySymbol: string;
    backgroundSymbol: string;
    borderSymbol: string | undefined;
};
/**
 * Determines plot size and range based on provided data and dimensions.
 * @param {object} options - An object containing input data and optional dimensions.
 * @param {MultiLine} options.input - The multiline array of points.
 * @param {number} [options.width] - Optional width of the plot.
 * @param {number} [options.height] - Optional height of the plot.
 * @param {[number, number]} [options.yRange] - Optional range for the y-axis.
 * @returns {object} - Object containing min x value, plot width, plot height, and x and y expansions.
 */
export declare const getChartSize: ({ input, width, height, yRange, }: {
    input: MultiLine;
    width?: number;
    height?: number;
    yRange?: [number, number];
}) => {
    minX: number;
    minY: number;
    plotWidth: number;
    plotHeight: number;
    expansionX: number[];
    expansionY: [number, number];
};
/**
 * Calculates shifts for x and y labels, based on the longest label length.
 * @param {object} options - The input data and formatting options.
 * @param {MultiLine} options.input - The multiline array of points.
 * @param {Formatter} options.transformLabel - A function to transform label values.
 * @param {number[]} options.expansionX - The x-axis range.
 * @param {number[]} options.expansionY - The y-axis range.
 * @param {number} options.minX - The minimum x value for label calculation.
 * @returns {object} - Object containing the calculated xShift and yShift.
 */
export declare const getLabelShift: ({ input, transformLabel, expansionX, expansionY, minX, }: {
    input: MultiLine;
    transformLabel: Formatter;
    expansionX: number[];
    expansionY: number[];
    minX: number;
}) => {
    xShift: number;
    yShift: number;
};
/**
 * Normalizes raw input data into a consistent multi-line format.
 * @param {object} options - Contains the raw input data.
 * @param {Coordinates} options.rawInput - Input coordinates, either single or multi-line.
 * @returns {MultiLine} - The formatted data as a multi-line array of points.
 */
export declare const getInput: ({ rawInput }: {
    rawInput: Coordinates;
}) => MultiLine;