import type { Theme } from "../types";
import type { LightBoxOptions } from "./types";
export declare function getThemeBackground(theme: Theme | string): string;
export declare function renderLightBoxLine(line: string, theme: Theme | string, options?: LightBoxOptions): string;
export declare function renderLightBox(lines: ReadonlyArray<string>, theme: Theme | string, title?: string, options?: LightBoxOptions): ReadonlyArray<string>;
export declare function isLightTheme(theme: Theme | string): boolean;
export declare function isTerminalDark(): boolean;