public ListSupportedPhoneNumberCountriesResult withPhoneNumberCountries(java.util.Collection<PhoneNumberCountry> phoneNumberCountries) {
        setPhoneNumberCountries(phoneNumberCountries);
        return this;
    }
<p>
The supported phone number countries.
</p>

@param phoneNumberCountries
       The supported phone number countries.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-chimesdkvoice/src/main/java/com/amazonaws/services/chimesdkvoice/model/ListSupportedPhoneNumberCountriesResult.java