import { Ref } from 'vue';
export declare function useFileRules(accept: Ref<string>, required: Ref<boolean>, max: Ref<number | string>, min: Ref<number | string>): {
    requiredCheck: (files: File[]) => string;
    maxCheck: (files: File[]) => string;
    minCheck: (files: File[]) => string;
    acceptCheck: (files: File[]) => string;
};