import { Ref, ComputedRef } from 'vue';
export declare const useFormItem: ({ size, error, }?: {
    size?: Ref<"mini" | "small" | "medium" | "large">;
    error?: Ref<boolean>;
}) => {
    mergedSize: ComputedRef<"small" | "mini" | "medium" | "large" | undefined>;
    mergedError: ComputedRef<boolean | undefined>;
};