/**
 * Phone Number Value Object
 *
 * Represents a phone number with validation and formatting
 *
 * @interface PhoneNumber
 * @description Phone number value object for domain entities
 */
export interface PhoneNumber {
    /** The phone number value */
    value: string;
    /** Whether the phone number is valid */
    isValid: boolean;
    /** The country code */
    countryCode: string;
    /** The national number (without country code) */
    nationalNumber: string;
    /** The formatted display number */
    formatted: string;
    /** Timestamp when phone number was validated */
    validatedAt: Date;
}
/**
 * Phone Number Factory Functions
 */
export declare const PhoneNumberFactory: {
    /**
     * Create a phone number from string
     */
    create: (value: string, countryCode?: string) => PhoneNumber;
    /**
     * Create a phone number from parts
     */
    fromParts: (countryCode: string, nationalNumber: string) => PhoneNumber;
};
/**
 * Phone Number Validation Functions
 */
export declare const PhoneNumberValidator: {
    /**
     * Check if a string is a valid Vietnamese phone number
     */
    isValidVietnamese: (value: string) => boolean;
    /**
     * Check if phone number is mobile
     */
    isMobile: (phoneNumber: PhoneNumber) => boolean;
    /**
     * Check if phone number is landline
     */
    isLandline: (phoneNumber: PhoneNumber) => boolean;
};
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