/**
 * Represents a markdown header with its metadata
 */
export interface MarkdownHeader {
    /** Header level (1-6) */
    level: number;
    /** Header text content */
    text: string;
    /** Generated ID for anchor linking */
    id: string;
}
/**
 * Extracts all headers from markdown content
 *
 * @param markdown - Clean markdown content (without frontmatter)
 * @returns Array of header objects with level, text, and ID
 *
 * @example
 * ```typescript
 * const headers = extractHeaders('# Title\n## Subtitle\n### Section');
 * // [
 * //   { level: 1, text: 'Title', id: 'title' },
 * //   { level: 2, text: 'Subtitle', id: 'subtitle' },
 * //   { level: 3, text: 'Section', id: 'section' }
 * // ]
 * ```
 */
export declare function extractHeaders(markdown: string): MarkdownHeader[];
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