/// <reference types="node" />
import { Ast } from "../api/ast";
export * from "../api/ast";
export declare function jsonAst(ast: Ast): Buffer;
export declare function mapAst(ast: Ast, mapCallback: (node: Ast) => Ast): Ast;
export declare function walkAst(ast: Ast, walkCallback: (node: Ast) => void): void;
export declare function astSlotNames(root: Ast): string[];
export declare function extractAstFeatures(root: Ast): string[];