import { ModuleNode, ParseNode } from '../parser/parseNodes';
import { ParseTreeWalker } from './parseTreeWalker';
export declare class ParseTreeCleanerWalker extends ParseTreeWalker {
    private _parseTree;
    constructor(parseTree: ModuleNode);
    clean(): void;
    visitNode(node: ParseNode): import("../parser/parseNodes").ParseNodeArray;
}