import type { useNamespace } from 'element-ultra/hooks';
import type { ComputedRef, InjectionKey, Ref } from 'vue';
import type { CheckboxGroupProps } from './checkbox-group';
export declare const checkboxGroupInjectionKey: InjectionKey<{
    isGroup: boolean;
    groupProps: CheckboxGroupProps;
    groupCheckedSet: Ref<Set<string | number>>;
    groupDisabled: ComputedRef<boolean | undefined>;
    handleItemChange: (checked: boolean, value: string | number, label: string | number) => void;
}>;
export declare const checkboxGroupsKey: InjectionKey<{
    checkedSet: Ref<Set<string | number>>;
    ns: ReturnType<typeof useNamespace>;
    emitChange: (checked: boolean, value: string) => void;
}>;