import { Component } from 'omi';
import { ScrollContainer, ScrollContainerElement } from '../common';
import { EasingFunction } from './easing';
export declare const canUseDocument: boolean;
/**
 * 获取滚动容器
 * 因为 document 不存在 scroll 等属性, 因此排除 document
 * window | HTMLElement
 * @param {ScrollContainerElement} [container='body']
 * @returns {ScrollContainer}
 */
export declare const getScrollContainer: (container?: ScrollContainer) => ScrollContainerElement;
export declare const getCssVarsValue: (name: string, element?: HTMLElement) => string;
type ScrollTarget = HTMLElement | Window | Document;
export declare function getScroll(target: ScrollTarget, isLeft?: boolean): number;
interface ScrollTopOptions {
    container?: ScrollTarget;
    duration?: number;
    easing?: EasingFunction;
}
export declare const scrollTo: (target: number, opt: ScrollTopOptions) => Promise<unknown>;
export declare const getAttach: (node: any) => HTMLElement;
export declare const addClass: (el: Element, cls: string) => void;
export declare const removeClass: (el: Element, cls: string) => void;
export declare function hasClass(el: Element, cls: string): boolean;
export declare function domContains(parent: HTMLElement, child: HTMLElement): any;
export declare const IS_NON_DIMENSIONAL: RegExp;
export declare function setStyle(style: CSSStyleDeclaration, key: string, value: string | number | null): void;
export declare const isNodeOverflow: (ele: Element | Element[]) => boolean;
/** 为当前组件添加exportparts，用于跨多级shadowDOM可自定义样式 */
export declare const setExportparts: (that: Component, exts?: string[]) => void;
export {};