declare const _default: typeof __VLS_export;
export default _default;
declare const __VLS_export: import('vue').DefineComponent<import('vue').ExtractPropTypes<{
    extension: {
        type: StringConstructor;
        required: true;
    };
}>, {}, {}, {}, {
    fontSize(extension: any): number;
}, import('vue').ComponentOptionsMixin, import('vue').ComponentOptionsMixin, {}, string, import('vue').PublicProps, Readonly<import('vue').ExtractPropTypes<{
    extension: {
        type: StringConstructor;
        required: true;
    };
}>> & Readonly<{}>, {}, {}, {}, {}, string, import('vue').ComponentProvideOptions, true, {}, any>;