/**
 * ACE-TUI ANSI Renderer
 *
 * Direct terminal rendering via ANSI escape sequences.
 * Zero dependencies — uses process.stdout.write() exclusively.
 * Inspired by arttime's rendering approach.
 */
/** Cursor movement */
export declare const cursor: {
    readonly to: (x: number, y: number) => string;
    readonly up: (n?: number) => string;
    readonly down: (n?: number) => string;
    readonly right: (n?: number) => string;
    readonly left: (n?: number) => string;
    readonly hide: "\u001B[?25l";
    readonly show: "\u001B[?25h";
    readonly save: "\u001B7";
    readonly restore: "\u001B8";
    readonly home: "\u001B[H";
};
/** Screen operations */
export declare const screen: {
    readonly clear: "\u001B[2J";
    readonly clearLine: "\u001B[2K";
    readonly clearDown: "\u001B[J";
    readonly clearRight: "\u001B[K";
    readonly altBuffer: "\u001B[?1049h";
    readonly mainBuffer: "\u001B[?1049l";
    readonly enableMouse: "\u001B[?1003h\u001B[?1006h";
    readonly disableMouse: "\u001B[?1003l\u001B[?1006l";
};
/** Style codes */
export declare const style: {
    readonly reset: "\u001B[0m";
    readonly bold: "\u001B[1m";
    readonly dim: "\u001B[2m";
    readonly italic: "\u001B[3m";
    readonly underline: "\u001B[4m";
    readonly inverse: "\u001B[7m";
    readonly strikethrough: "\u001B[9m";
};
export type ColorLevel = "none" | "basic" | "256" | "truecolor";
export declare function detectColorLevel(): ColorLevel;
/** 16-color CGA foreground */
export declare const fg: {
    readonly black: "\u001B[30m";
    readonly red: "\u001B[31m";
    readonly green: "\u001B[32m";
    readonly yellow: "\u001B[33m";
    readonly blue: "\u001B[34m";
    readonly magenta: "\u001B[35m";
    readonly cyan: "\u001B[36m";
    readonly white: "\u001B[37m";
    readonly gray: "\u001B[90m";
    readonly brightRed: "\u001B[91m";
    readonly brightGreen: "\u001B[92m";
    readonly brightYellow: "\u001B[93m";
    readonly brightBlue: "\u001B[94m";
    readonly brightMagenta: "\u001B[95m";
    readonly brightCyan: "\u001B[96m";
    readonly brightWhite: "\u001B[97m";
};
/** 16-color CGA background */
export declare const bg: {
    readonly black: "\u001B[40m";
    readonly red: "\u001B[41m";
    readonly green: "\u001B[42m";
    readonly yellow: "\u001B[43m";
    readonly blue: "\u001B[44m";
    readonly magenta: "\u001B[45m";
    readonly cyan: "\u001B[46m";
    readonly white: "\u001B[47m";
    readonly gray: "\u001B[100m";
    readonly brightBlue: "\u001B[104m";
    readonly brightCyan: "\u001B[106m";
};
/** 256-color codes */
export declare function fg256(n: number): string;
export declare function bg256(n: number): string;
/** 24-bit RGB colors */
export declare function fgRgb(r: number, g: number, b: number): string;
export declare function bgRgb(r: number, g: number, b: number): string;
export declare const box: {
    readonly topLeft: "┌";
    readonly topRight: "┐";
    readonly bottomLeft: "└";
    readonly bottomRight: "┘";
    readonly horizontal: "─";
    readonly vertical: "│";
    readonly teeRight: "├";
    readonly teeLeft: "┤";
    readonly teeDown: "┬";
    readonly teeUp: "┴";
    readonly cross: "┼";
    readonly heavyHorizontal: "━";
    readonly heavyVertical: "┃";
    readonly roundTopLeft: "╭";
    readonly roundTopRight: "╮";
    readonly roundBottomLeft: "╰";
    readonly roundBottomRight: "╯";
};
export declare const symbols: {
    readonly check: "✓";
    readonly cross: "✗";
    readonly bullet: "●";
    readonly hollowBullet: "○";
    readonly arrow: "→";
    readonly arrowLeft: "←";
    readonly arrowUp: "↑";
    readonly arrowDown: "↓";
    readonly spinner: readonly ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"];
    readonly progress: {
        readonly filled: "█";
        readonly partial: "▓";
        readonly empty: "░";
    };
    readonly tab: "▎";
    readonly activeTab: "▌";
};
/** Strip ANSI escape codes from a string (arttime: sed -e 's/\x1b\[[0-9;]*m//g') */
export declare function stripAnsi(text: string): string;
/** Get visible width of a string (ANSI-aware) */
export declare function visibleWidth(text: string): number;
/** Truncate text to fit width, add ellipsis if needed */
export declare function truncate(text: string, maxWidth: number): string;
/** Pad text to exact width (ANSI-aware) */
export declare function padRight(text: string, width: number): string;
/** Center text in width (ANSI-aware, arttime centering math) */
export declare function center(text: string, width: number): string;
/** Write raw string to stdout */
export declare function write(s: string): void;
/** Write at specific position */
export declare function writeAt(x: number, y: number, text: string): void;
/** Draw a horizontal line */
export declare function hline(x: number, y: number, width: number, char?: "─"): void;
/** Draw a vertical line */
export declare function vline(x: number, y: number, height: number, char?: "│"): void;
/** Draw a box with optional title */
export declare function drawBox(x: number, y: number, width: number, height: number, opts?: {
    title?: string;
    titleColor?: string;
    borderColor?: string;
    rounded?: boolean;
}): void;
/** Fill a rectangular region with spaces (clear region) */
export declare function clearRegion(x: number, y: number, width: number, height: number): void;
/** Draw a progress bar (arttime-inspired) */
export declare function progressBar(x: number, y: number, width: number, ratio: number, opts?: {
    filledColor?: string;
    emptyColor?: string;
    showPercent?: boolean;
}): void;
/** Draw a spinner frame */
export declare function spinnerFrame(frame: number): string;
/** Get terminal dimensions */
export declare function getTermSize(): {
    cols: number;
    rows: number;
};
/** Format elapsed time (arttime contextual time display) */
export declare function formatElapsed(ms: number): string;
/** Format timestamp as HH:MM:SS */
export declare function formatTime(date?: Date): string;
/** Format a number with commas */
export declare function formatNumber(n: number): string;
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