/**
 * Yarn Lock Parser (yarn.lock)
 *
 * Parses yarn.lock files in both v1 and v2 formats.
 * V1 uses a custom format, V2 uses YAML-like syntax.
 */
import type { AnalysisOptions, EcosystemType, Issue, PackageFileType, PackageInfo, ParseResult } from "../types.js";
import { BaseParser } from "./base.js";
export declare class YarnLockParser extends BaseParser {
    private static deprecatedPackages;
    parse(content: string): ParseResult;
    private parseV1;
    private parseV2;
    canParse(content: string): boolean;
    getEcosystem(): EcosystemType;
    getFileTypes(): PackageFileType[];
    protected analyzePackage(pkg: PackageInfo, options: AnalysisOptions, issues: Issue[]): void;
    private checkVersionPattern;
    private checkKnownVulnerabilities;
    protected addEcosystemRecommendations(recommendations: string[]): void;
}
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