import { NativeDateAdapter } from "@angular/material";
export declare const XMAT_LOCALE_IT: string;
export declare const XMAT_LOCALE_EN: string;
export declare const XMAT_LOCALE_FR: string;
export declare const XMAT_FORMATS: {
    "it-IT": string;
    "en-GB": string;
    "fr-FR": string;
};
export declare const XMAT_DATE_FORMATS: {
    parse: {
        dateInput: {
            month: string;
            year: string;
            day: string;
        };
    };
    display: {
        dateInput: any;
        monthYearLabel: string;
        dateA11yLabel: any;
        monthYearA11yLabel: string;
    };
};
export declare class XmatMatDateLocale extends NativeDateAdapter {
    displayFormat: Object | string;
    parse(value: any): Date | null;
    format(date: Date, displayFormat: Object): string;
    private _addLeadingZeroes;
}