/**
 * 持卡人資訊
 *
 * 用於交易時的持卡人資訊，用於詐欺偵測和 3D Secure 驗證。
 *
 * @example
 * ```typescript
 * const cardholder: Cardholder = {
 *   phone_number: '+886912345678',
 *   name: '王小明',
 *   name_en: 'Wang Xiao Ming',
 *   email: 'user@example.com',
 *   zip_code: '100',
 *   address: '台北市信義區信義路五段7號'
 * }
 * ```
 */
export interface Cardholder {
    /**
     * Cardholder's phone number
     * Should include country code, e.g., "+886923456789"
     */
    phone_number?: string;
    /**
     * Phone number country code
     * Required for international phone numbers
     */
    phone_number_country_code?: string;
    /**
     * Cardholder's name
     */
    name?: string;
    /**
     * Cardholder's name in English
     * Format: First name + Last name
     */
    name_en?: string;
    /**
     * Cardholder's email address
     */
    email?: string;
    /**
     * Cardholder's zip/postal code
     */
    zip_code?: string;
    /**
     * Cardholder's address
     */
    address?: string;
    /**
     * Cardholder's national ID (Taiwan)
     */
    national_id?: string;
    /**
     * Member ID in merchant's system
     */
    member_id?: string;
}
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