import { Ref } from 'vue';
/**
 * @deprecated Use @zemkogabor/vue-form-validator instead of this file.
 */
export declare function useValidator(inputRef: Ref<HTMLInputElement | null>): {
    onInvalid: (event: Event) => void;
    getInvalidMessage: () => string | null;
    setCustomError: (data: string) => void;
};