import { DocumentFontOption, FontFamilyOption } from '../../../../../shared/font-system/src/index.js';
import { ToolbarFontOption } from '../../../core/types/index.js';
export declare const TOOLBAR_FONTS: ToolbarFontOption[];
type ToolbarDocumentFontOption = Pick<DocumentFontOption, 'logicalFamily' | 'previewFamily'>;
export declare function composeToolbarFontOptions(documentOptions: readonly ToolbarDocumentFontOption[] | null | undefined, configFonts?: readonly ToolbarFontOption[]): readonly ToolbarFontOption[] | undefined;
export declare function mapFontFamilyOptionsToToolbar(options: readonly FontFamilyOption[] | null | undefined): ToolbarFontOption[] | undefined;
export declare const TOOLBAR_FONT_SIZES: {
    label: string;
    key: string;
    props: {
        'data-item': string;
    };
}[];
export declare const RESPONSIVE_BREAKPOINTS: {
    sm: number;
    md: number;
    lg: number;
    xl: number;
};
export {};