export type PostMeta = {
    slug: string;
    title: string;
    date: string;
    summary: string;
    featuredImage?: string;
    tags?: {
        name: string;
        slug: string;
    }[];
    author?: {
        name: string;
        picture: string;
    } | undefined;
    mdxSource?: string;
};
export declare const getAllPosts: (dir: string, withContent?: boolean) => PostMeta[];
export declare const getPostsByTag: (dir: string, tagSlug: string, withContent?: boolean) => PostMeta[];
export declare const getPostBySlug: (dir: string, slug: string) => {
    frontmatter: {
        [key: string]: any;
    };
    content: string;
};
export declare const calculateReadingTime: (text: string, wordsPerMinute?: number) => number;
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