/** An interface that models the user touch event items we are interested in */
export interface UserTouchEvent {
    length: number;
    [key: number]: {
        clientX: number;
        clientY: number;
        x: number;
        y: number;
    };
}
/** An interface that models the click event items we are interested in */
export interface ClickEvent {
    detail: {
        posX: number;
        posY: number;
    };
}
/**
 * # DragPan
 *
 * ## Description
 * DragPan is a class that handles mouse and touch events for panning and zooming
 *
 * ## Example
 * ```ts
 * const dragPan = new DragPan()
 * dragPan.addEventListener('move', () => {
 *  console.info(dragPan.movementX, dragPan.movementY)
 * })
 * ```
 */
export default class DragPan extends EventTarget {
    #private;
    zoomActive: boolean;
    mouseActive: boolean;
    minMovementX: number;
    minMovementY: number;
    movementX: number;
    movementY: number;
    totalMovementX: number;
    totalMovementY: number;
    touchDeltaX: number;
    touchDeltaY: number;
    touchDeltaZ: number;
    clickEvent: null | ReturnType<typeof setTimeout>;
    zoom: number;
    /** Clears all previous movement and zoom changes */
    clear(): void;
    /**
     * Beginning of a touch event, user has just touched the screen
     * @param touches - collection of touch events
     */
    onTouchStart(touches: UserTouchEvent): void;
    /**
     * User has let go, we don't know if it was a swipe, a click, or a double click
     * @param touches - collection of touch events
     */
    onTouchEnd(touches: UserTouchEvent): void;
    /** User is using a mouse and just clicked */
    onMouseDown(): void;
    /**
     * User has let go of the left mouse button
     * @param posX - x position of the click
     * @param posY - y position of the click
     */
    onMouseUp(posX?: number, posY?: number): void;
    /**
     * tracks movement if the left click actively pressed
     * or it tracks what features are currently active
     * @param movementX - the change in x position
     * @param movementY - the change in y position
     */
    onMouseMove(movementX: number, movementY: number): void;
    /**
     * User is using a touch screen and is actively moving their finger(s)
     * @param touches - collection of touch events
     */
    onTouchMove(touches: UserTouchEvent): void;
}