import { Container, IContainerSettings, IContainerPrivate } from "./Container";
import { Label } from "../../core/render/Label";
import { RoundedRectangle } from "../../core/render/RoundedRectangle";
import { ListTemplate } from "../../core/util/List";
import { Color } from "../../core/util/Color";
export interface IHeatLegendSettings extends IContainerSettings {
    /**
     * Color at the start of the scale (the lowest value).
     */
    startColor?: Color;
    /**
     * Color at the end of the scale (the highest value).
     */
    endColor?: Color;
    /**
     * Colors for a scale through more than two colors, in place of
     * `startColor` and `endColor`. As a gradient (`stepCount` of `1`), they
     * are spread evenly along it; as steps, there is one step per color and
     * `stepCount` is ignored.
     *
     * @since 5.21.2
     */
    colors?: Array<Color>;
    /**
     * Opacity at the start of the scale (the lowest value).
     *
     * @default 1
     * @since 5.14.0
     */
    startOpacity?: number;
    /**
     * Opacity at the end of the scale (the highest value).
     *
     * @default 1
     * @since 5.14.0
     */
    endOpacity?: number;
    /**
     * The lowest value, at the start of the scale.
     */
    startValue?: number;
    /**
     * The highest value, at the end of the scale.
     */
    endValue?: number;
    /**
     * Text of the start label. If not set, it shows `startValue`.
     */
    startText?: string;
    /**
     * Text of the end label. If not set, it shows `endValue`.
     */
    endText?: string;
    /**
     * Number of color steps. At `1` the scale is a smooth gradient.
     *
     * @default 1
     * @see {@link https://www.amcharts.com/docs/v5/concepts/legend/heat-legend/#Gradient_or_steps} for more info
     */
    stepCount?: number;
    /**
     * Orientation of the scale: `"horizontal"` runs from start on the left to
     * end on the right, `"vertical"` from start at the bottom to end at the top.
     *
     * @see {@link https://www.amcharts.com/docs/v5/concepts/legend/heat-legend/#Orientation} for more info
     */
    orientation: "horizontal" | "vertical";
}
export interface IHeatLegendPrivate extends IContainerPrivate {
}
/**
 * A legend that shows a color scale from `startColor` to `endColor`, with the
 * values at its ends.
 *
 * @see {@link https://www.amcharts.com/docs/v5/concepts/legend/heat-legend/} for more info
 */
export declare class HeatLegend extends Container {
    /**
     * The [[Container]] that holds the start and end labels.
     */
    readonly labelContainer: Container;
    /**
     * The [[Container]] that holds the markers.
     */
    readonly markerContainer: Container;
    /**
     * The [[Label]] at the start of the scale.
     */
    readonly startLabel: Label;
    /**
     * The [[Label]] at the end of the scale.
     */
    readonly endLabel: Label;
    static className: string;
    static classNames: Array<string>;
    _settings: IHeatLegendSettings;
    _privateSettings: IHeatLegendPrivate;
    protected _afterNew(): void;
    /**
     * @ignore
     */
    makeMarker(): RoundedRectangle;
    /**
     * The rectangles that make up the scale: one per step, or one with a
     * gradient when `stepCount` is `1`.
     */
    readonly markers: ListTemplate<RoundedRectangle>;
    /**
     * Shows the tooltip, pointing at a value on the scale.
     *
     * @param  value  Value to point at
     * @param  text   Tooltip text; the formatted value if not given
     * @param  color  Tooltip background color; the value's color on the scale if not given
     */
    showValue(value: number, text?: string, color?: Color): void;
    protected _colorMarkers(colors: Array<Color>, steps: boolean, startOpacity: number, endOpacity: number): void;
    _prepareChildren(): void;
}
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