import { Color } from "../core/util/Color";
import { Theme } from "../core/Theme";
import type { Root } from "../core/Root";
/**
 * Options for {@link MonochromeTheme}.
 */
export interface IMonochromeThemeSettings {
    /**
     * Base color the single-hue ramp is built from. Accepts a hex number, a
     * CSS string, or a [[Color]].
     *
     * If omitted, the ramp defaults to a blue base (`#2e7c9e`).
     */
    color?: number | string | Color;
    /**
     * Optional accent color applied to the **first** series only, so one series
     * stands out against the monochrome ramp (like the "Dataviz" theme's single
     * color). Accepts a hex number, a CSS string, or a [[Color]].
     */
    accent?: number | string | Color;
    /**
     * Produce a dark variant (dark background + interface colors, and a ramp
     * that runs light-to-mid so series read on the dark ground).
     *
     * @default false
     */
    dark?: boolean;
    /**
     * Number of steps in the series ramp.
     *
     * @default 7
     */
    count?: number;
}
/**
 * "Monochrome" — a black-and-white (or single-accent) theme whose series
 * palette is a perceptually-even, single-hue lightness ramp generated in OKLCH.
 *
 * Because a theme cannot take constructor parameters, this ships as a **factory
 * function** rather than a class:
 *
 * ```TypeScript
 * root.setThemes([
 *   am5themes_Monochrome(root, { color: 0x2c6e91, dark: true })
 * ]);
 * ```
 *
 * With nothing set, the theme defaults to a blue ramp (`#2e7c9e`). Pass `color`
 * for a different single-hue ramp, and an optional `accent` to give the first
 * series a distinct pop (like the "Dataviz" theme's single color). This theme is
 * additive; it does not modify any built-in theme.
 *
 * @see {@link https://www.amcharts.com/docs/v5/concepts/themes/} for more info
 * @important
 */
export declare function MonochromeTheme(root: Root, settings?: IMonochromeThemeSettings): Theme;
export declare namespace MonochromeTheme {
    var _a: (root: Root, settings?: IMonochromeThemeSettings) => Theme;
    export { _a as new };
}
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