declare global {
    interface String {
        toPerNumber(): string;
        toEnNumber(): string;
        toMomentDateTimeFormat(): string;
    }
}
export declare const enToPerNumberMap: {
    1: string;
    2: string;
    3: string;
    4: string;
    5: string;
    6: string;
    7: string;
    8: string;
    9: string;
    0: string;
};
export declare const perToEnNumberMap: {
    '\u0661': string;
    '\u0662': string;
    '\u0663': string;
    '\u0664': string;
    '\u0665': string;
    '\u0666': string;
    '\u0667': string;
    '\u0668': string;
    '\u0669': string;
    '\u0660': string;
};