import type { Time } from "../../core/util/Animation";
import type { Animation } from "../../core/util/Entity";
import type { IDisposer } from "../../core/util/Disposer";
import type { IPoint } from "../../core/util/IPoint";
import type { ISpritePointerEvent } from "../../core/render/Sprite";
import { Container, IContainerSettings, IContainerPrivate, IContainerEvents } from "../../core/render/Container";
export interface IZoomableContainerSettings extends IContainerSettings {
    /**
     * Highest zoom level, as the scale of the contents.
     *
     * @default 32
     */
    maxZoomLevel?: number;
    /**
     * Lowest zoom level, as the scale of the contents.
     *
     * @default 1
     */
    minZoomLevel?: number;
    /**
     * Factor each zoom in or out (a button or a wheel step) multiplies or
     * divides the zoom level by.
     *
     * @default 2
     */
    zoomStep?: number;
    /**
     * Enables zooming with a two-finger pinch on touch devices.
     *
     * @default true
     */
    pinchZoom?: boolean;
    /**
     * Duration of zoom animations in milliseconds.
     *
     * @default 600
     */
    animationDuration?: number;
    /**
     * Easing function of zoom animations.
     *
     * @default am5.ease.out(am5.ease.cubic)
     */
    animationEasing?: (t: Time) => Time;
    /**
     * How far the zoomed-in contents can be panned out of view, as a fraction
     * of their width and height.
     *
     * @default 0.4
     */
    maxPanOut?: number;
}
export interface IZoomableContainerPrivate extends IContainerPrivate {
}
export interface IZoomableContainerEvents extends IContainerEvents {
}
/**
 * A [[Container]] whose `contents` can be zoomed with the wheel, a pinch or
 * [[ZoomTools]], and panned by dragging.
 *
 * @see {@link https://www.amcharts.com/docs/v5/concepts/common-elements/containers/#Zoomable_container} for more info
 * @since 5.8.0
 * @important
 */
export declare class ZoomableContainer extends Container {
    static className: string;
    static classNames: Array<string>;
    _settings: IZoomableContainerSettings;
    _privateSettings: IZoomableContainerPrivate;
    _events: IZoomableContainerEvents;
    protected _za?: Animation<this["_settings"]["scale"]>;
    protected _txa?: Animation<this["_settings"]["x"]>;
    protected _tya?: Animation<this["_settings"]["y"]>;
    protected _movePoints: {
        [index: number]: IPoint;
    };
    protected _downScale: number;
    protected _downX: number;
    protected _downY: number;
    protected _pinchDP?: IDisposer;
    /**
     * The container that zooms and pans. Add elements to `contents.children`,
     * not to the ZoomableContainer's own `children`.
     *
     * @see {@link https://www.amcharts.com/docs/v5/concepts/common-elements/containers/#Zoomable_container} for more info
     */
    contents: Container;
    protected _wheelDp: IDisposer | undefined;
    protected _afterNew(): void;
    _prepareChildren(): void;
    protected _handleSetWheel(): void;
    protected _handleWheelZoom(delta: number, point: IPoint): void;
    /**
     * Zooms to a level, keeping the contents under `point` in place. The level
     * is kept between `minZoomLevel` and `maxZoomLevel`.
     *
     * @param   point  Point in the container's coordinates
     * @param   level  Zoom level
     * @return         Zoom animation
     */
    zoomToPoint(point: IPoint, level: number): Animation<this["_settings"]["scale"]> | undefined;
    /**
     * Zooms in by `zoomStep`, around the container's center.
     *
     * @return Zoom animation
     */
    zoomIn(): Animation<this["_settings"]["scale"]> | undefined;
    /**
     * Zooms out by `zoomStep`, around the container's center.
     *
     * @return Zoom animation
     */
    zoomOut(): Animation<this["_settings"]["scale"]> | undefined;
    /**
     * Takes the contents back to their home view: scale `1`, not panned.
     */
    goHome(): void;
    protected _animateTo(x: number, y: number, scale: number): void;
    protected _handleThisUp(_event: ISpritePointerEvent): void;
    protected _handleThisDown(event: ISpritePointerEvent): void;
    protected _handleThisMove(event: ISpritePointerEvent): void;
    protected _handlePinch(): void;
}
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