/**
 * Minimal ANSI toolkit. No dependencies, no global mutation of the stream.
 */
export declare function isColorEnabled(): boolean;
export declare function setColorEnabled(value: boolean): void;
export type Styler = (input: string) => string;
export declare const bold: Styler;
export declare const dim: Styler;
export declare const italic: Styler;
export declare const underline: Styler;
export declare const inverse: Styler;
/** 256-colour foreground. Degrades to plain text when colour is off. */
export declare function fg(code: number): Styler;
/** 256-colour background. */
export declare function bg(code: number): Styler;
export declare const cursor: {
    hide: string;
    show: string;
    up: (n: number) => string;
    toStart: string;
    eraseDown: string;
};
/**
 * DEC private mode 2026 ("synchronized output"). Terminals that honour it
 * buffer everything between start/end and paint it as one frame, so an
 * erase-then-redraw pair never shows a blank frame in between.
 */
export declare const sync: {
    start: string;
    end: string;
};
/**
 * Windows Terminal's DirectX renderer presents writes eagerly enough that an
 * erase and a redraw can each land as a visible frame — that's what `sync`
 * exists to fix. Most other terminals coalesce writes on their own and don't
 * need the hint, and at least one (WebStorm's JediTerm) appears to mishandle
 * the unrecognised `CSI ? 2026` sequence rather than the usual "ignore
 * unknown private mode" behaviour, stalling the live region until something
 * else forces a redraw. So keep this opt-in to the one terminal it's for,
 * rather than sending it everywhere and hoping every parser ignores it.
 */
export declare function supportsSyncOutput(): boolean;
export declare function stripAnsi(input: string): string;
/**
 * Terminal cell width. Handles the wide-character ranges that actually turn up
 * in CLI output (CJK, emoji) and treats combining marks as zero-width.
 */
export declare function stringWidth(input: string): number;
/**
 * Truncate to a visible width while keeping escape sequences intact, so a
 * clipped line never leaks colour into the rest of the frame.
 */
export declare function truncate(input: string, max: number): string;
/**
 * Word-wrap to a visible width, returning plain lines.
 *
 * Errors must never be clipped — the useful half of a message like npm's 403
 * lives at the end of the line. Callers style each returned line themselves,
 * which sidesteps splitting an escape sequence across a break.
 */
export declare function wrapText(input: string, width: number): string[];
export declare function padEnd(input: string, target: number): string;
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