export interface ZenCell {
    ch: string;
    /** Foreground; null = default. */
    fg: {
        r: number;
        g: number;
        b: number;
    } | null;
    dim: boolean;
    bold: boolean;
    inverse: boolean;
    /** Visible columns this cell occupies (wide glyphs = 2). */
    width: number;
}
/** Parse one styled line into cells. Escape codes never survive as text. */
export declare function sgrToCells(line: string): ZenCell[];