/**
 * Fixed-width pager chrome rows (meta/footer) and body wrapping. OpenTUI flex
 * children paint past borders; a single pre-padded string of exact column width
 * does not.
 *
 * Every budget here is measured in terminal columns and cut on grapheme
 * boundaries. Measuring with `String.length` counts UTF-16 units, which
 * over-counts combining scripts (Devanagari matras, Hangul jamo) and
 * under-counts wide glyphs (CJK, emoji) — the latter paints past the border,
 * and slicing mid-cluster orphans marks that then trail at the pane edge.
 */
export declare function fitOneLine(candidates: readonly string[], maxCols: number): string;
/**
 * One terminal row of exactly `width` columns: left clipped, right clipped,
 * spaces between.
 */
export declare function padChromeRow(left: string, right: string, width: number): string;
/**
 * Soft-wrap a body line so it stays inside the pager border. Breaks on a word
 * boundary when one sits late enough in the row, otherwise hard-breaks between
 * clusters. Zero-width marks stay attached to their base character.
 */
export declare function wrapPagerLine(line: string, width: number): string[];