/**
 * utils — pure string/Unicode helpers. No I/O, no dependencies.
 * Enough for ASCII, wide characters and emoji.
 */
export declare function graphemes(text: string): string[];
export declare function charWidth(grapheme: string): 0 | 1 | 2;
export declare function stringWidth(text: string): number;
export declare function wrapText(text: string, width: number): string[];
export declare function truncate(text: string, width: number, ellipsis?: string): string;
export declare function sliceByWidth(text: string, start: number, end: number): string;
export declare function stripAnsi(text: string): string;
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