import { Ref } from 'vue';
export declare const useDateInputMask: () => {
    formatAsDate: (value: string, isRange: boolean) => string;
    handleDateInput: (event: Event, inputValueRef: Ref<string>, isRange: boolean, callback?: () => void) => void;
    isoToSlash: (iso: string | null) => string;
    slashToISO: (slash: string) => string;
    validateDate: (value: string, isRange: boolean) => boolean;
};