/**
 * Markdown Section Parser — extracts structured blocks from markdown files.
 *
 * Splits on H2 headings, classifies sub-elements (rules, code blocks, tables, prose),
 * and detects rule strength (imperative vs advisory).
 */
export type RuleStrength = 'imperative' | 'advisory' | 'neutral';
export type MarkdownElementType = 'rule' | 'code-block' | 'table-row' | 'table-block' | 'prose';
export interface MarkdownElement {
    type: MarkdownElementType;
    content: string;
    /** For rule elements: detected strength */
    strength?: RuleStrength;
    /** For code-block elements: language tag */
    language?: string;
    /** For code-block elements: full block content (multi-line) */
    block?: string;
}
export interface MarkdownSection {
    heading: string;
    elements: MarkdownElement[];
}
/** Optional overrides for rule-strength detection patterns. */
export interface StrengthConfig {
    imperativePatterns?: RegExp[];
    advisoryPatterns?: RegExp[];
}
/**
 * Parse a markdown string into structured sections.
 *
 * Splits on `## ` (H2) headings. Content before the first H2 becomes a
 * "preamble" section with heading "". Within each section, sub-elements
 * are classified as rules, code blocks, table rows, or prose.
 */
export declare function parseMarkdownSections(input: string, config?: StrengthConfig): MarkdownSection[];
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