export interface RobotsAnalysis {
    status: 'found' | 'not_found' | 'error';
    rules: {
        userAgent: string;
        allow: string[];
        disallow: string[];
        crawlDelay?: number;
    }[];
    sitemaps: string[];
}
export interface MetaTagsAnalysis {
    title?: string;
    description?: string;
    robots?: string;
    canonical?: string;
    viewport?: string;
    openGraph: {
        title?: string;
        description?: string;
        image?: string;
        url?: string;
        type?: string;
    };
    twitter: {
        card?: string;
        title?: string;
        description?: string;
        image?: string;
    };
}
export interface SEOFlags {
    robotsTxtStatus: 'found' | 'not_found' | 'error';
    robotsTxtRules: RobotsAnalysis;
    metaRobots?: string;
    canonicalUrl?: string;
    sitemapPresent: boolean;
    noindex: boolean;
    nofollow: boolean;
    hasTitle: boolean;
    hasDescription: boolean;
    titleLength?: number;
    descriptionLength?: number;
    openGraphPresent: boolean;
    twitterCardPresent: boolean;
}
export interface SEOAnalysisResult {
    url: string;
    flags: SEOFlags;
    metaTags: MetaTagsAnalysis;
    recommendations: string[];
    warnings: string[];
    score: number;
}
export declare class SEOAnalyzerService {
    analyzeSEO(url: string): Promise<SEOAnalysisResult>;
    private analyzeRobotsTxt;
    private parseRobotsTxt;
    private analyzePageContent;
    private parseHTMLContent;
    private parseAttributes;
    private cleanText;
    private generateSEORecommendations;
    quickSEOCheck(url: string): Promise<{
        noindex: boolean;
        nofollow: boolean;
        robotsBlocked: boolean;
        hasTitle: boolean;
    }>;
}
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