/**
 * ANSI escape codes for terminal control
 * Low-level building blocks for custom renderer
 */
export declare const cursor: {
    hide: string;
    show: string;
    home: string;
    to: (row: number, col: number) => string;
    up: (n?: number) => string;
    down: (n?: number) => string;
    right: (n?: number) => string;
    left: (n?: number) => string;
    save: string;
    restore: string;
    getPosition: string;
};
export declare const screen: {
    clear: string;
    clearLine: string;
    clearToEnd: string;
    clearToLineEnd: string;
    setScrollRegion: (top: number, bottom: number) => string;
    resetScrollRegion: string;
    enterAltBuffer: string;
    exitAltBuffer: string;
};
export declare const fg: {
    black: string;
    red: string;
    green: string;
    yellow: string;
    blue: string;
    magenta: string;
    cyan: string;
    white: string;
    gray: string;
    brightRed: string;
    brightGreen: string;
    brightYellow: string;
    brightBlue: string;
    brightMagenta: string;
    brightCyan: string;
    brightWhite: string;
    color256: (n: number) => string;
    rgb: (r: number, g: number, b: number) => string;
};
export declare const bg: {
    black: string;
    red: string;
    green: string;
    yellow: string;
    blue: string;
    magenta: string;
    cyan: string;
    white: string;
    gray: string;
    color256: (n: number) => string;
    rgb: (r: number, g: number, b: number) => string;
};
export declare const style: {
    reset: string;
    bold: string;
    dim: string;
    italic: string;
    underline: string;
    blink: string;
    inverse: string;
    hidden: string;
    strikethrough: string;
    resetBold: string;
    resetDim: string;
    resetItalic: string;
    resetUnderline: string;
    resetBlink: string;
    resetInverse: string;
    resetHidden: string;
    resetStrikethrough: string;
};
/**
 * Helper to create styled text
 */
export declare function styled(text: string, ...styles: string[]): string;
/**
 * Render text with a horizontal RGB gradient across multiple color stops.
 * Each character gets its own fg.rgb() code.
 * Stops: array of [r,g,b] colors distributed evenly across the text.
 */
export declare function gradientText(text: string, stops: Array<[number, number, number]>): string;
/**
 * Render a full-width separator line with a gradient.
 * Uses the given char (default '─') repeated across width.
 */
export declare function gradientLine(width: number, stops: Array<[number, number, number]>, char?: string): string;
/**
 * Get terminal display width of a single character
 * CJK, fullwidth, and emoji characters take 2 columns
 */
export declare function charWidth(char: string): number;
/**
 * Get terminal display width of a string (excluding ANSI codes)
 */
export declare function stringWidth(str: string): number;
/**
 * Strip ANSI codes from string (for length calculation)
 */
export declare function stripAnsi(str: string): string;
/**
 * Get visible length of string (excluding ANSI codes)
 */
export declare function visibleLength(str: string): number;
/**
 * Truncate string to visible length, preserving ANSI codes
 */
export declare function truncate(str: string, maxLength: number, suffix?: string): string;
/**
 * Wrap text to fit width, respecting ANSI codes
 */
export declare function wordWrap(str: string, width: number): string[];