import { BackstageTypography, PageTheme, PageThemeSelector } from './types';
/**
 * Default Typography settings.
 *
 * @public
 */
export declare const defaultTypography: BackstageTypography;
/**
 * Options for {@link createBaseThemeOptions}.
 *
 * @public
 */
export interface BaseThemeOptionsInput<PaletteOptions> {
    palette: PaletteOptions;
    defaultPageTheme?: string;
    pageTheme?: Record<string, PageTheme>;
    fontFamily?: string;
    htmlFontSize?: number;
    typography?: BackstageTypography;
}
/**
 * A helper for creating theme options.
 *
 * @public
 */
export declare function createBaseThemeOptions<PaletteOptions>(options: BaseThemeOptionsInput<PaletteOptions>): {
    palette: PaletteOptions;
    typography: BackstageTypography;
    page: PageTheme;
    getPageTheme: ({ themeId }: PageThemeSelector) => PageTheme;
};