import { ExpoConfig } from '../Config.types';
export declare function getNavigationBarImmersiveMode(config: ExpoConfig): true | "leanback" | "immersive" | "sticky-immersive" | null;
export declare function getNavigationBarColor(config: ExpoConfig): string | null;
export declare function getNavigationBarStyle(config: ExpoConfig): "light-content" | "dark-content";
export declare function setNavigationBarConfig(config: ExpoConfig, projectDirectory: string): Promise<boolean>;