import type { Animation } from "../util/Entity";
import type { Time } from "../util/Animation";
import { RoundedRectangle } from "../render/RoundedRectangle";
import { Container, IContainerPrivate, IContainerSettings, IContainerEvents } from "./Container";
import { Button } from "./Button";
export interface IScrollbarSettings extends IContainerSettings {
    /**
     * Orientation of the scrollbar.
     */
    orientation: "horizontal" | "vertical";
    /**
     * Start of the selected range, from `0` to `1`: `0` is the left end, or
     * the top on a vertical scrollbar.
     *
     * @default 0
     */
    start?: number;
    /**
     * End of the selected range, from `0` to `1`: `1` is the right end, or
     * the bottom on a vertical scrollbar.
     *
     * @default 1
     */
    end?: number;
    /**
     * Duration in milliseconds of scroll animations, such as after a click on
     * the scrollbar's background.
     */
    animationDuration?: number;
    /**
     * Easing function of scroll animations.
     *
     * @see {@link https://www.amcharts.com/docs/v5/concepts/animations/#Easing_functions} for more info
     */
    animationEasing?: (t: Time) => Time;
    /**
     * Puts the scrollbar on the opposite side of the chart: a horizontal
     * scrollbar below the plot area instead of above it, a vertical one on the
     * left instead of the right. It can be changed at any time.
     *
     * Works only for scrollbars set as a chart's `scrollbarX` or `scrollbarY`.
     *
     * @default false
     * @since 5.20.2
     */
    opposite?: boolean;
    /**
     * Where the scrollbar sits relative to the axes on its side: `true` beyond
     * them (outermost), `false` between them and the plot area. If not set,
     * the chart decides. It can be changed at any time.
     *
     * Like `opposite`, works only for scrollbars set as a chart's `scrollbarX`
     * or `scrollbarY`.
     *
     * @since 5.21.0
     */
    outsideAxes?: boolean;
}
export interface IScrollbarPrivate extends IContainerPrivate {
    /**
     * @ignore
     */
    isBusy?: boolean;
    /**
     * @ignore
     */
    positionTextFunction?: (position: number, isEnd?: boolean) => string;
}
export interface IScrollbarEvents extends IContainerEvents {
    /**
     * The selected range (`start` or `end`) changed.
     */
    rangechanged: {
        start: number;
        end: number;
        grip?: "start" | "end";
    };
    /**
     * The pointer was released after pressing a grip or the thumb.
     */
    released: {};
}
/**
 * A control for selecting a range, such as the zoom of a chart's axes: the
 * grips resize the range, the thumb between them moves it.
 *
 * @see {@link https://www.amcharts.com/docs/v5/charts/xy-chart/scrollbars/} for more info
 */
export declare class Scrollbar extends Container {
    _addOrientationClass(): void;
    _settings: IScrollbarSettings;
    _privateSettings: IScrollbarPrivate;
    _events: IScrollbarEvents;
    static className: string;
    static classNames: Array<string>;
    /**
     * The draggable bar between the grips, which moves the selected range.
     * Double-clicking it selects the full range.
     */
    thumb: RoundedRectangle;
    /**
     * The grip that drags the start of the range.
     */
    startGrip: Button;
    /**
     * The grip that drags the end of the range.
     */
    endGrip: Button;
    protected _thumbBusy: boolean;
    protected _startDown: boolean;
    protected _endDown: boolean;
    protected _thumbDown: boolean;
    protected _gripDown?: "start" | "end";
    protected _makeButton(): Button;
    protected _makeThumb(): RoundedRectangle;
    protected _handleAnimation(animation: Animation<any>): void;
    protected _afterNew(): void;
    _updateChildren(): void;
    _changed(): void;
    protected _released(): void;
    /**
     * @ignore
     */
    updateGrips(): void;
    protected _updateThumb(): void;
    protected _updateGripsByThumb(): void;
}
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