import type { VDTLine } from '../vdt.js';
/**
 * Whether a broken paragraph ends in a runt: a last line narrower than the
 * runt threshold (`runtMinCharacters` × the normal space width). A single
 * line is never a runt — there is nothing to pull it up from — and neither
 * is a line that ends in a hyphen, which only happens when the paragraph
 * continues.
 */
export declare function isRuntLastLine(lines: readonly VDTLine[], runtMinWidth: number): boolean;
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