import { Block, Inline, Node, Text, Document as CDocument } from './types.js';
/**
 * Checks if the node is an instance of Inline.
 */
export declare function isInline(node: Node): node is Inline;
/**
 * Checks if the node is an instance of Block.
 */
export declare function isBlock(node: Node): node is Block;
/**
 * Checks if the node is an instance of Text.
 */
export declare function isText(node: Node): node is Text;
/**
 * Checks if a paragraph is empty (has only one child and that child is an empty string text node)
 */
export declare function isEmptyParagraph(node: Block): boolean;
/**
 * Strips empty trailing paragraph from a document if enabled
 * @param document - The rich text document to process
 * @returns A new document with the empty trailing paragraph removed (if conditions are met)
 * @example
 * const processedDoc = stripEmptyTrailingParagraphFromDocument(document);
 */
export declare function stripEmptyTrailingParagraphFromDocument(document: CDocument): CDocument;