interface ThemeDefinition {
    name: string;
    path: string;
    targetlibVersion?: string;
}
interface ThemeLoadOptions extends ThemeDefinition {
    cdnUrl: string;
    fallbackCdnUrl?: string;
}
interface GlobalThemeManagerInitOptions {
    cdnUrl: string;
    fallbackCdnUrl?: string;
    targetlibVersion?: string;
    themes: ThemeDefinition[];
}
declare class GlobalThemeManagerImpl {
    private static instance;
    static getInstance(): GlobalThemeManagerImpl;
    init(options: GlobalThemeManagerInitOptions): Promise<void>;
    loadTheme(options: ThemeLoadOptions): Promise<string | null>;
    whenLoaded(): Promise<void>;
    private loadModule;
}
export declare const GlobalThemeManager: GlobalThemeManagerImpl;
export {};