import type { InjectionKey, Ref } from 'vue';
export interface IButtonGroupContext {
    modelValue: Ref<string | number>;
    emitChange(value: string | number): void;
    fit: Ref<boolean>;
    bordered: Ref<boolean>;
    showBg: Ref<boolean>;
}
export declare const BUTTON_GROUP_INJECT_KEY: InjectionKey<IButtonGroupContext>;