import { THRESHOLDS } from '../constants/index.js';
import { Colors, Formatter, Graph, Legend, MultiLine, Symbols, Threshold, FormatterHelpers, GraphPoint } from '../types/index.js';
/**
 * Adds a title to the graph at the top.
 * @param {object} options - Object containing title options.
 * @param {string} options.title - The title text.
 * @param {Graph} options.graph - The graph array to modify.
 * @param {string} options.backgroundSymbol - Background symbol for the graph.
 * @param {number} options.plotWidth - Width of the plot.
 * @param {number} options.yShift - Vertical shift for positioning.
 * @param {boolean} [options.debugMode=false] - If true, logs errors for out-of-bounds access.
 */
export declare const setTitle: ({ title, graph, backgroundSymbol, plotWidth, yShift, debugMode, }: {
    title: string;
    graph: Graph;
    backgroundSymbol: string;
    plotWidth: number;
    yShift: number;
    debugMode?: boolean;
}) => void;
/**
 * Adds an x-axis label centered at the bottom of the graph.
 * @param {object} options - Object containing x-label options.
 * @param {string} options.xLabel - The x-axis label text.
 * @param {Graph} options.graph - The graph array to modify.
 * @param {string} options.backgroundSymbol - Background symbol for the graph.
 * @param {number} options.plotWidth - Width of the plot.
 * @param {number} options.yShift - Vertical shift for positioning.
 * @param {boolean} [options.debugMode=false] - If true, logs errors for out-of-bounds access.
 */
export declare const addXLabel: ({ graph, plotWidth, yShift, backgroundSymbol, xLabel, debugMode, }: {
    xLabel: string;
    graph: Graph;
    backgroundSymbol: string;
    plotWidth: number;
    yShift: number;
    debugMode?: boolean;
}) => void;
/**
 * Adds a y-axis label centered on the left side of the graph.
 * @param {object} options - Object containing y-label options.
 * @param {Graph} options.graph - The graph array to modify.
 * @param {string} options.backgroundSymbol - Background symbol for the graph.
 * @param {string} options.yLabel - The y-axis label text.
 * @param {boolean} [options.debugMode=false] - If true, logs errors for out-of-bounds access.
 */
export declare const addYLabel: ({ graph, backgroundSymbol, yLabel, debugMode, }: {
    graph: Graph;
    backgroundSymbol: string;
    yLabel: string;
    debugMode?: boolean;
}) => void;
/**
 * Adds a legend to the specified position on the graph (top, bottom, left, or right).
 * @param {object} options - Object containing legend options.
 * @param {Graph} options.graph - The graph array to modify.
 * @param {Legend} options.legend - Configuration for the legend's position and series.
 * @param {string} options.backgroundSymbol - Background symbol for the graph.
 * @param {MultiLine} options.input - Input data series for the chart.
 * @param {string} options.pointSymbol - Symbol used to draw points.
 * @param {GraphPoint[]} [options.points] - Points to render, with optional colors.
 * @param {Threshold[]} [options.thresholds] - Thresholds for the plot.
 * @param {Colors} [options.color] - Color(s) for each series.
 * @param {Symbols} [options.symbols] - Custom symbols for the chart.
 * @param {boolean} [options.fillArea] - Whether to fill the area below the lines.
 * @param {boolean} [options.debugMode=false] - If true, logs errors for out-of-bounds access.
 */
export declare const addLegend: ({ graph, legend, backgroundSymbol, color, symbols, fillArea, input, pointSymbol, debugMode, points, thresholds, }: {
    graph: Graph;
    legend: Legend;
    backgroundSymbol: string;
    input: MultiLine;
    color?: Colors;
    pointSymbol: string;
    symbols?: Symbols;
    fillArea?: boolean;
    debugMode?: boolean;
    points?: GraphPoint[];
    thresholds?: Threshold[];
}) => void;
/**
 * Adds a border around the graph.
 * @param {object} options - Object containing border options.
 * @param {Graph} options.graph - The graph array to modify.
 * @param {string} options.backgroundSymbol - The symbol to use for the background.
 * @param {string} options.borderSymbol - The symbol to use for the border.
 */
export declare const addBorder: ({ graph, borderSymbol, backgroundSymbol, }: {
    graph: Graph;
    borderSymbol: string;
    backgroundSymbol: string;
}) => void;
/**
 * Fills the background of empty cells in the graph with a specified symbol.
 * @param {object} options - Object containing background fill options.
 * @param {Graph} options.graph - The graph array to modify.
 * @param {string} options.backgroundSymbol - Symbol to fill empty cells with.
 * @param {string} options.emptySymbol - Symbol representing empty cells.
 * @param {boolean} [options.debugMode=false] - If true, logs errors for out-of-bounds access.
 */
export declare const addBackgroundSymbol: ({ graph, backgroundSymbol, emptySymbol, debugMode, }: {
    graph: Graph;
    backgroundSymbol: string;
    emptySymbol: string;
    debugMode?: boolean;
}) => void;
/**
 * Adds points to the graph at specified (x, y) coordinates.
 *
 * @param {object} options - Configuration options.
 * @param {Graph} options.graph - The graph array to modify.
 * @param {GraphPoint[]} options.points - Points to render, with optional colors.
 * @param {number} options.plotWidth - Width of the plot.
 * @param {number} options.plotHeight - Height of the plot.
 * @param {number[]} options.expansionX - Range of x-values for scaling.
 * @param {number[]} options.expansionY - Range of y-values for scaling.
 * @param {string} options.pointSymbol - Symbol used to draw the point.
 * @param {boolean} [options.debugMode] - Enables debug logging.
 */
export declare const addPoints: ({ graph, points, plotWidth, plotHeight, expansionX, expansionY, pointSymbol, debugMode, }: {
    graph: Graph;
    points: GraphPoint[];
    plotWidth: number;
    plotHeight: number;
    expansionX: number[];
    expansionY: number[];
    pointSymbol: string;
    debugMode?: boolean;
}) => void;
/**
 * Draws threshold lines on the graph at specified x and/or y coordinates.
 *
 * @param {object} options - Configuration object for threshold rendering.
 * @param {Graph} options.graph - The 2D graph matrix to modify.
 * @param {Threshold[]} options.thresholds - List of threshold definitions with x, y, and optional color.
 * @param {object} options.axis - Axis configuration defining origin point.
 * @param {number} options.axis.x - X-position of the Y-axis on the graph.
 * @param {number} options.axis.y - Y-position of the X-axis on the graph.
 * @param {number} options.plotWidth - Width of the plot area in characters.
 * @param {number} options.plotHeight - Height of the plot area in characters.
 * @param {number[]} options.expansionX - Original data range for the X-axis, used for scaling.
 * @param {number[]} options.expansionY - Original data range for the Y-axis, used for scaling.
 * @param {typeof THRESHOLDS} options.thresholdSymbols - Symbols used to draw horizontal and vertical threshold lines.
 * @param {boolean} [options.debugMode=false] - Enables debug logging for invalid coordinates or out-of-bounds access.
 */
export declare const addThresholds: ({ graph, thresholds, axis, plotWidth, plotHeight, expansionX, expansionY, thresholdSymbols, debugMode, }: {
    graph: Graph;
    thresholds: Threshold[];
    axis: {
        x: number;
        y: number;
    };
    plotWidth: number;
    plotHeight: number;
    expansionX: number[];
    expansionY: number[];
    thresholdSymbols: typeof THRESHOLDS;
    debugMode?: boolean;
}) => void;
/**
 * Fills the area below chart symbols with the specified area symbol.
 * @param {object} options - Object containing fill options.
 * @param {Graph} options.graph - The graph array to modify.
 * @param {Symbols['chart']} options.chartSymbols - Chart symbols to use for filling.
 * @param {boolean} [options.debugMode=false] - If true, logs errors for out-of-bounds access.
 */
export declare const setFillArea: ({ graph, chartSymbols, debugMode, }: {
    graph: Graph;
    chartSymbols: Symbols["chart"];
    debugMode?: boolean;
}) => void;
/**
 * Removes any completely empty lines from the graph.
 * @param {object} options - Object containing empty line removal options.
 * @param {Graph} options.graph - The graph array to modify.
 * @param {string} options.backgroundSymbol - Background symbol for identifying empty lines.
 */
export declare const removeEmptyLines: ({ graph, backgroundSymbol, }: {
    graph: Graph;
    backgroundSymbol: string;
}) => void;
/**
 * Returns a label transformation function using the specified formatter.
 * @param {object} options - Object containing formatter options.
 * @param {Formatter} [options.formatter] - Formatter function to apply to labels.
 * @returns {Formatter} - A formatter function for transforming labels.
 */
export declare const getTransformLabel: ({ formatter }: {
    formatter?: Formatter;
}) => (value: number, helpers: FormatterHelpers) => string | number;