/**
 * Terminal UI — colors, spinners, animations, progress bars.
 */
export declare const isTTY: boolean;
export declare const c: {
    reset: string;
    bold: string;
    dim: string;
    italic: string;
    under: string;
    red: string;
    orange: string;
    yellow: string;
    green: string;
    cyan: string;
    blue: string;
    purple: string;
    pink: string;
    gray: string;
    white: string;
    bgRed: string;
    bgGreen: string;
    bgOrange: string;
    bgCyan: string;
    hide: string;
    show: string;
    clear: string;
};
export declare function setTitle(text: string): void;
/** Generates a wind trail that fills exactly `cols` terminal columns. */
export declare function windTrail(cols: number, offset?: number): string;
export declare let tick: number;
export declare function advanceTick(): void;
export declare function braille(): string;
export declare function windWave(): string;
export declare function dots(): string;
export declare function startSpinner(render: () => string, intervalMs?: number): () => void;
export declare function progressBar(pct: number, width: number, animate?: boolean): string;
export declare function banner(): Promise<void>;
export declare function rainbowText(text: string): string;
export declare function celebrationAnimation(): Promise<void>;
export declare function fileBadge(rel: string): string;
export declare function diagLine(d: any): string;