import { IStorytellerTheme } from '../../configuration/models/theme/storytellerTheme';
import { IUiTheme } from '../../configuration/models/theme/uiTheme';
import { Subset } from '../../../types/subset';
export declare class ThemeBuilder {
    private theme;
    private isDark;
    constructor(isDark: boolean, initialTheme?: Subset<IUiTheme> | null);
    build(): IStorytellerTheme;
    private setFallbacks;
}