export declare const mouseWheel: string[];
export declare const placeholder: string[];
/**
 * Calculates the left, top, width and height of the element shown on the screen.
 */
export declare const calculateShownPart: (el: HTMLElement | null) => {
    left: number;
    top: number;
    width: number;
    height: number;
};
/**
 * Checks if an element can be rendered in the React portal.
 */
export declare const canBeRenderedInPortal: () => boolean;
/**
 * Gets scroll parent of the given element.
 *
 * @param el
 */
export declare const getScrollParent: (el: HTMLElement) => HTMLElement;
/**
 * Checks if the given element is scrollable.
 */
export declare const isElementScrollable: (el: HTMLElement) => boolean;
/**
 * Checks if target is a clickable element.
 */
export declare const isTargetClickable: (target: HTMLElement, container: HTMLElement) => boolean;