declare const _sfc_main: import("vue").DefineComponent<{ ariaLabel: { type: StringConstructor; required: false; default: string; }; size: { type: StringConstructor; required: false; }; tag: { type: StringConstructor; required: false; default: string; }; vertical: { type: null; required: false; default: boolean; }; }, { props: any; verticalBoolean: Readonly>; computedClasses: import("vue").ComputedRef<{ [x: string]: boolean; 'btn-group': boolean; 'btn-group-vertical': boolean; }>; }, unknown, {}, {}, import("vue").ComponentOptionsMixin, import("vue").ComponentOptionsMixin, {}, string, import("vue").VNodeProps & import("vue").AllowedComponentProps & import("vue").ComponentCustomProps, Readonly>, { tag: string; ariaLabel: string; vertical: any; }>; export default _sfc_main;