import type { Checkpoint, Matcher, SeqMatcherOptions } from '../types';
import { AbstractMatcher } from './abstract-matcher';
export declare class SeqMatcher<Ctx> extends AbstractMatcher<Ctx> {
    readonly seq: Matcher<Ctx>[];
    readonly length: number;
    private checkpoint;
    private idx;
    constructor({ matchers }: SeqMatcherOptions<Ctx>);
    private isMatchingComplete;
    private matchForward;
    private backtrack;
    match(checkpoint: Checkpoint<Ctx>): Checkpoint<Ctx> | null;
    nextMatch(): Checkpoint<Ctx> | null;
}
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