public ListPhoneNumbersRequest withPhoneNumberCountryCodes(String... phoneNumberCountryCodes) {
        if (this.phoneNumberCountryCodes == null) {
            setPhoneNumberCountryCodes(new java.util.ArrayList<String>(phoneNumberCountryCodes.length));
        }
        for (String ele : phoneNumberCountryCodes) {
            this.phoneNumberCountryCodes.add(ele);
        }
        return this;
    }
<p>
The ISO country code.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setPhoneNumberCountryCodes(java.util.Collection)} or
{@link #withPhoneNumberCountryCodes(java.util.Collection)} if you want to override the existing values.
</p>

@param phoneNumberCountryCodes
       The ISO country code.
@return Returns a reference to this object so that method calls can be chained together.
@see PhoneNumberCountryCode
aws-java-sdk-connect/src/main/java/com/amazonaws/services/connect/model/ListPhoneNumbersRequest.java