import React from 'react';
/**
 * 处理文本内容，如果是两个中文字符，插入空格
 *
 * @param children ReactNode
 * @param insertSpace 是否需要插入空格
 * @returns 处理后的 ReactNode
 */
export declare function wrapSpan(children: React.ReactNode, insertSpace?: boolean, className?: string): React.ReactNode;
export declare const addResizeObserver: (el: HTMLElement, handler: any, options?: {
    direction?: boolean | "x" | "y" | undefined;
    timer?: number | undefined;
    lazy?: boolean | undefined;
}) => () => void;
export declare function getParent(el: HTMLElement | null | Element, target?: string | HTMLElement): Element | null;
export declare function isScrollable(el: HTMLElement): boolean;
export declare function getClosestScrollContainer(element: HTMLElement | null): HTMLElement | null;
export declare function getClosestPositionedContainer(element: Element | HTMLElement | null, positions?: React.CSSProperties['position'][]): HTMLElement | null;
export declare function cssSupport(attr: keyof CSSStyleDeclaration, value: string): boolean;
export declare function getCssVarValue(varName: string): string;
export declare const parsePxToNumber: (str: string) => number;
export declare function getBaseFontSizeDiff(): number;
export declare const getFieldId: (name?: string, formName?: string) => string | undefined;
export declare const getOriginField: (name?: string, formName?: string) => string;
//# sourceMappingURL=element.d.ts.map