import { NativeDateAdapter } from '@angular/material/core';
/**
 * Define date formats to be used with the custom date adapter
 */
export declare const TS_DATE_FORMATS: {
    parse: {
        dateInput: {
            month: string;
            year: string;
            day: string;
        };
    };
    display: {
        dateInput: string;
        monthYearLabel: {
            year: string;
            month: string;
        };
        dateA11yLabel: {
            year: string;
            month: string;
            day: string;
        };
        monthYearA11yLabel: {
            year: string;
            month: string;
        };
    };
};
/**
 * Custom date adapter for the underlying Material Datepicker
 */
export declare class TsDateAdapter extends NativeDateAdapter {
    /**
     * Format the date when setting the UI
     *
     * @param date - The date chosen
     * @param displayFormat - The desired format (not currently using, but must match API)
     * @returns The date string
     */
    format(date: Date, displayFormat?: any): string;
    /**
     * Check if a date is valid
     *
     * @param date - The date in question
     * @returns Whether it is valid
     */
    isValid(date: Date): boolean;
    /**
     * Force a two digit string with a preceding `0` if needed
     *
     * @param n - The number
     * @returns The two digit number
     */
    private forceTwoDigits;
}