export declare const validateDateModel: (value: string) => DateModel;
export declare const validateTimeModel: (value: string) => TimeModel;
export declare const validateDay: (value: string) => string;
export declare const validateMonth: (value: string) => string;
export declare const validateHours: (value: string) => string;
export declare const validateMinutes: (value: string) => string;
export declare type DateModel = {
    view: string;
    day: string;
    month: string;
    year: string;
    invalid: boolean;
};
export declare type TimeModel = {
    view: string;
    hour: string;
    minute: string;
    invalid: boolean;
};