interface ValidationResult {
    file: string;
    isValid: boolean;
    isExpired: boolean;
    daysSinceUpdate: number;
    daysUntilExpiry?: number;
    warnings: string[];
    errors: string[];
    suggestions: string[];
}
interface ValidationReport {
    timestamp: Date;
    totalFiles: number;
    validFiles: number;
    expiredFiles: number;
    warningCount: number;
    errorCount: number;
    results: ValidationResult[];
    summary: {
        needsUpdate: string[];
        expiringSoon: string[];
        criticalUpdates: string[];
    };
}
export declare class ContextValidator {
    private readonly contextPath;
    private readonly defaultExpiryDays;
    private readonly warningThresholdDays;
    constructor(workspacePath: string);
    validateAll(): Promise<ValidationReport>;
    validateFile(filePath: string): Promise<ValidationResult>;
    private extractMetadata;
    private validateContent;
    private checkStaleReferences;
    autoRefresh(dryRun?: boolean): Promise<{
        refreshed: string[];
        failed: string[];
    }>;
    private refreshFile;
    generateReport(format?: 'markdown' | 'json'): Promise<string>;
}
export {};
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