/**
 * Symbols for drawing the axes on the graph.
 */
export declare const AXIS: {
    n: string;
    ns: string;
    y: string;
    nse: string;
    x: string;
    we: string;
    e: string;
    intersectionXY: string;
    intersectionX: string;
    intersectionY: string;
};
/**
 * Symbols for rendering chart elements, including lines and areas.
 */
export declare const CHART: {
    we: string;
    wns: string;
    ns: string;
    nse: string;
    wsn: string;
    sne: string;
    area: string;
};
/**
 * Symbol representing an empty space on the graph.
 */
export declare const EMPTY = " ";
/**
 * Symbols for drawing thresholds on the graph.
 */
export declare const THRESHOLDS: {
    x: string;
    y: string;
};
/**
 * Symbol for the point of the graph.
 */
export declare const POINT = "\u25CF";
/**
 * Layout and formatting constants
 */
export declare const LAYOUT: {
    readonly MIN_PLOT_HEIGHT: 3;
    readonly DEFAULT_DECIMAL_PLACES: 3;
    readonly K_FORMAT_THRESHOLD: 1000;
    readonly DEFAULT_PADDING: 2;
    readonly DEFAULT_Y_SHIFT_OFFSET: 1;
};