type LexicalNode = {
    type: string;
    text?: string;
    children?: LexicalNode[];
};
type LexicalContent = {
    root?: LexicalNode;
};
/**
 * 判断 @payloadcms/richtext-lexical 的富文本对象是否为空（无任何可见文字内容）
 */
export declare function isLexicalEmpty(content: LexicalContent | string | null | undefined): boolean;
export {};