export declare function getExcerpt(markdown: string, maxLines: number): {
    excerpt: string;
    lines: number;
};
export declare function stripFrontMatter(markdown: string): string;
export declare function stripImages(markdown: string): string;
/**
 * Returns if the given line is inside a front matter block
 * @param content the string to check
 * @param lineNumber the line number within the string, 0-based
 * @returns true if the line is inside a frontmatter block in content
 */
export declare function isInFrontMatter(content: string, lineNumber: number): boolean;
export declare function isOnYAMLKeywordLine(content: string, keyword: string): boolean;
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