export type Theme = {
    fg(color: string, text: string): string;
    bold(text: string): string;
};
export type DashboardTheme = ReturnType<typeof getThemeColors>;
export type BoxChars = {
    tl: string;
    tr: string;
    bl: string;
    br: string;
    l: string;
    r: string;
    h: string;
    ml: string;
    mr: string;
};
export declare function getThemeColors(): {
    border: string;
    title: string;
    dim: string;
    muted: string;
    highlight: string;
    accent: string;
    success: string;
    error: string;
    reset: string;
    bgCard: string;
    bgSelected: string;
    bgHeader: string;
};
export declare function getBoxChars(): BoxChars;
export declare function plainTheme(): Theme;
export declare function activeTheme(theme: Theme): Theme;
export declare function padVisible(content: string, width: number): string;
/** Skip expensive truncateToWidth when the string already fits. */
export declare function fastTruncate(str: string, maxWidth: number): string;
export declare function padAndTruncate(str: string, targetWidth: number): string;
export declare function framedRow(content: string, innerW: number, th: DashboardTheme, box: BoxChars): string;
export declare function borderLine(width: number, th: DashboardTheme, box: BoxChars, pos: "top" | "mid" | "bottom"): string;