import React from 'react';
export interface HeadMetaProps {
    title: string;
    description?: string;
    twitterSite?: string;
    twitterImage?: string;
    ogType?: string;
    ogImage?: string;
    ogTtl?: number;
}
export declare function HeadMeta({ title, description, twitterSite, twitterImage, ogType, ogImage, ogTtl }: HeadMetaProps): React.ReactElement;