export interface OpenGraphData {
    ogType?: string;
    ogTitle?: string;
    ogDescription?: string;
    ogUrl?: string;
    ogImage?: string;
    ogLocale?: string;
    ogImageAlt?: string;
    ogImageWidth?: string;
    ogImageHeight?: string;
    twitterCard?: string;
    twitterTitle?: string;
    twitterDescription?: string;
    twitterImage?: string;
    twitterImageAlt?: string;
}
export declare function extractOpenGraphData(): OpenGraphData;
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