import { DocumentDir } from './getDocumentDir';
export type ScrollType = 'default' | 'reverse' | 'negative';
/**
 * Based on the jquery plugin https://github.com/othree/jquery.rtl-scroll-type
 *
 * Types of scrollLeft, assuming scrollWidth=100 and direction is rtl.
 *
 * Type             | <- Most Left | Most Right -> | Initial
 * ---------------- | ------------ | ------------- | -------
 * default          | 0            | 100           | 100
 * negative (spec*) | -100         | 0             | 0
 * reverse          | 100          | 0             | 0
 *
 * Edge 85: default
 * Safari 14: negative
 * Chrome 85: negative
 * Firefox 81: negative
 * IE11: reverse
 *
 * spec* https://drafts.csswg.org/cssom-view/#dom-window-scroll
 */
export declare function detectScrollType(): ScrollType;
export declare function getNormalizedScrollLeft(element: Element, direction: DocumentDir): number;