export interface AuditResult {
    vulnerabilities: Record<string, AuditVulnerability>;
    metadata: {
        vulnerabilities: {
            info: number;
            low: number;
            moderate: number;
            high: number;
            critical: number;
            total: number;
        };
        dependencies: {
            total: number;
            prod: number;
            dev: number;
        };
    };
}
export interface AuditVulnerability {
    name: string;
    severity: 'info' | 'low' | 'moderate' | 'high' | 'critical';
    isDirect: boolean;
    via: any[];
    effects: string[];
    range: string;
    nodes: string[];
    fixAvailable: boolean | {
        name: string;
        version: string;
        isSemVerMajor: boolean;
    };
}
export interface OutdatedPackage {
    current: string;
    wanted: string;
    latest: string;
    dependent: string;
    location?: string;
}
export interface HealthReport {
    audit: AuditResult | null;
    outdated: Record<string, OutdatedPackage>;
    nodeVersion: string;
    npmVersion: string;
    engines: Record<string, string> | null;
    packageManager: 'npm' | 'yarn' | 'pnpm';
    scannedAt: number;
    error?: string;
}
export declare class HealthService {
    private readonly logger;
    private cachedReport;
    runHealthCheck(force?: boolean): Promise<HealthReport>;
    private runAudit;
    private runOutdated;
    private detectPackageManager;
    private getEngines;
    private getNpmVersion;
}