import { BaseStep } from './BaseStep';
import { ReturnStep } from './ReturnStep';
import { ReturnItems, VarLabels } from './types';
import { RootStep } from './RootStep';
export declare class MatchStep extends BaseStep {
    readonly matchItems: VarLabels;
    constructor(prevStep: RootStep, matchItems: VarLabels);
    toString(): string;
    return(...items: ReturnItems): ReturnStep;
}