/**
 * Module that observes the editor size after it has been resized by the user.
 *
 * @private
 * @class EditorResizeObserver
 */
export declare class EditorResizeObserver {
    #private;
    /**
     * Registers a local hook listener scoped to this instance. Provided by the `localHooks` mixin.
     */
    addLocalHook: Function;
    /**
     * Executes all local hook listeners registered under the given name. Provided by the `localHooks` mixin.
     */
    runLocalHooks: Function;
    /**
     * Sets the observed element.
     *
     * @param {HTMLElement} element The element to observe.
     */
    setObservedElement(element: HTMLElement): void;
    /**
     * Stops observing the element.
     */
    unobserve(): void;
    /**
     * Starts observing the element.
     */
    observe(): void;
    /**
     * Destroys the observer.
     */
    destroy(): void;
}