/**
 * Lower-level parsing utilities for document extraction.
 * Feature #3: Built-in Helper Functions (extractors layer)
 *
 * These are pure functions used by helpers.ts for parsing markdown, YAML, and Gherkin.
 */
/**
 * Parse markdown headers from content.
 * Returns array of headers with level (1-6), text, and line number (1-indexed).
 *
 * @param content - Markdown content
 * @returns Array of header objects
 */
export declare function parseMarkdownHeaders(content: string): {
    level: number;
    text: string;
    line: number;
}[];
/**
 * Parse YAML frontmatter from content.
 * Frontmatter must be at the very start of the file (no leading whitespace).
 * Returns parsed YAML object or null if no valid frontmatter found.
 * Uses FrontmatterHandler for robust parsing (supports Obsidian properties).
 *
 * @param content - Content with optional YAML frontmatter
 * @returns Parsed YAML object or null
 */
export declare function parseYamlFrontmatter(content: string): Record<string, unknown> | null;
/**
 * Parse Gherkin scenarios from content.
 * Returns array of scenarios with name and steps array.
 *
 * @param content - Content containing Gherkin scenarios
 * @returns Array of scenario objects
 */
export declare function parseGherkinScenarios(content: string): {
    name: string;
    steps: string[];
}[];
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