/**
 * Helper class for positioning the menu and submenus in the correct place relative to the
 * cursor position (DOM element or mouse coordinates).
 *
 * @private
 * @class Positioner
 */
export declare class Positioner {
    #private;
    /**
     * Initializes the positioner with a flag indicating whether the menu should be kept within the viewport boundaries.
     */
    constructor(keepInViewport: boolean);
    /**
     * Sets offset position for specified directions (`above`, `below`, `left` or `right`).
     *
     * @param {'above' | 'below' | 'left' | 'right'} direction A direction name.
     * @param {number} [offset=0] Offset value.
     * @returns {Positioner}
     */
    setOffset(direction: string, offset?: number): this;
    /**
     * Sets the menu element to work with. The element can be owned by the main menu or the submenu.
     *
     * @param {HTMLElement} container The menu container element.
     * @returns {Positioner}
     */
    setElement(container: HTMLElement): this;
    /**
     * Sets the parent menu element to work with.
     *
     * @param {HTMLElement} container The parent menu container element.
     * @returns {Positioner}
     */
    setParentElement(container: HTMLElement): this;
    /**
     * Updates the menu position.
     *
     * @param {object|MouseEvent} coords The literal object with `top`, `left`, `width` and `height` props or a
     * mouse event object.
     */
    updatePosition(coords: Event | DOMRect | Record<string, unknown>): void;
    /**
     * Updates the menu horizontal position.
     */
    updateHorizontalPosition(): void;
    /**
     * Sets the menu position above the cursor object.
     */
    setPositionAboveCursor(): void;
    /**
     * Sets the menu position below the cursor object.
     */
    setPositionBelowCursor(): void;
    /**
     * Sets the menu position on the right of the cursor object.
     */
    setPositionOnRightOfCursor(): void;
    /**
     * Sets the menu position on the left of the cursor object.
     */
    setPositionOnLeftOfCursor(): void;
}