import type { AsciiCell } from '../types.js';
export declare function segmentGraphemes(value: string): string[];
export declare function graphemeDisplayWidth(grapheme: string): number;
export declare function displayWidth(value: string): number;
export declare function cellDisplayWidth(cell: AsciiCell): number;
export declare function rowDisplayWidth(row: readonly AsciiCell[]): number;
export declare function truncateToDisplayWidth(value: string, maximumWidth: number): string;