import { LocaleService } from './locale.service';
export interface ILocaleValidation {
    parseNumber(s: string, digits?: string, defaultLocale?: string): number | null;
}
/**
 * Provides the methods for locale validation.
 */
export declare class LocaleValidation implements ILocaleValidation {
    private locale;
    private decimalCode;
    private numberCodes;
    constructor(locale: LocaleService);
    /**
     * Converts a string to a number according to default locale.
     * If the string cannot be converted to a number, returns NaN.
     * @param s The string to be parsed
     * @param digits An alias of the format. Default is '1.0-3'
     * @param defaultLocale The default locale to use. Default is the current locale
     */
    parseNumber(s: string, digits?: string, defaultLocale?: string): number | null;
    private validateNumber;
    private getDecimalCode;
    private getNumberCodes;
    private toChar;
    private toUnicode;
    private toHex;
}