import { PddlSyntaxNode } from "./PddlSyntaxNode";
import { NumericExpression } from "../NumericExpression";
/**
 * Parses `(+ (a) (b))` numeric expressions.
 */
export declare class NumericExpressionParser {
    private expression;
    constructor(rootNode: PddlSyntaxNode);
    getExpression(): NumericExpression | undefined;
    private parseNode;
    private parseChildren;
}