import type { RNodeWithParent } from '../../r-bridge/lang-4.x/ast/model/processing/decorate';
export declare function normalizedAstToMermaid(ast: RNodeWithParent, prefix?: string): string;
/**
 * Use mermaid to visualize the normalized AST.
 */
export declare function normalizedAstToMermaidUrl(ast: RNodeWithParent, prefix?: string): string;