import { ThematicBreak } from 'mdast';
import { Node } from 'unist';
/**
 * @returns The thematic break.
 */
export declare function createThematicBreak(): ThematicBreak;
/**
 * Type guard for ThematicBreak.
 *
 * @param node - The node to test.
 * @returns True if node is ThematicBreak.
 */
export declare function isThematicBreak(node: Node): node is ThematicBreak;
/**
 * Type assertion for ThematicBreak.
 *
 * @param node - The node to test.
 */
export declare function assertThematicBreak(node: Node): asserts node is ThematicBreak;