import { ElementNode, LexicalNode, LexicalEditor } from 'lexical';
export declare const $nodeToHtml: (editor: LexicalEditor, node: ElementNode) => string;
export declare const $htmlToNodes: (editor: LexicalEditor, text: string) => LexicalNode[] | import("lexical").TextNode[];
/**
 * 判断 node 是否是有效的 TextNode
 * - $isTextNode => true
 * - format 不是 code
 */
export declare const $isValidTextNode: (node: LexicalNode) => boolean | "";
/**
 * 判断一个 ElementNode 是否含有效的 TextNode 的 child
 */
export declare const $hasValidTextNode: (elementNode: ElementNode) => boolean;
export declare const $findTranslatableElementNodes: () => ElementNode[];
export declare const $createNodeKeyToSidMap: () => Map<string, string>;
export declare const $createSidToNodeKeyMap: () => Map<string, string>;