/**
 * format-md-compact — single source of truth for whitespace / decoration
 * normalization across every CLI body-output path.
 *
 * and `peaks request show` (per-artifact) all funnel their `body` field through
 * this helper so the LLM-consumed output is free of blank-line padding,
 * decorative `---` rules, and frontmatter `description:` field-name repeats
 * while preserving every semantically meaningful construct (code fences,
 * setext heading underlines, GFM table syntax, frontmatter, list indentation,
 * inline emphasis, code spans).
 *
 * Pure function: no fs, no I/O. Easy to unit-test (see
 */
export interface FormatMdCompactOptions {
    /** Preserve code-fence (``` ... ```) and frontmatter (--- ... ---) content. Default true. */
    preserveCodeBlocks?: boolean;
    /** Preserve setext heading underlines (===, --- under a text line). Default true. */
    preserveSetextHeadings?: boolean;
    /** Preserve GFM table syntax (| ... | rows). Default true. */
    preserveTables?: boolean;
    /** Collapse 3+ blank lines to 1. Default true. */
    collapseBlankLines?: boolean;
    /** Strip trailing whitespace per line. Default true. */
    stripTrailingWhitespace?: boolean;
    /** Strip decorative `---` lines (lines surrounded by blanks OR trailing final line). Default true. */
    stripDecorativeHorizontalRules?: boolean;
    /** Strip frontmatter `description:` field-name repeat when same value already in body header. Default true. */
    stripFrontmatterDescriptionRepeat?: boolean;
}
export declare function formatMdCompact(input: string, options?: FormatMdCompactOptions): string;