public PutVoiceConnectorProxyRequest withPhoneNumberPoolCountries(String... phoneNumberPoolCountries) {
        if (this.phoneNumberPoolCountries == null) {
            setPhoneNumberPoolCountries(new java.util.ArrayList<String>(phoneNumberPoolCountries.length));
        }
        for (String ele : phoneNumberPoolCountries) {
            this.phoneNumberPoolCountries.add(ele);
        }
        return this;
    }
<p>
The countries for proxy phone numbers to be selected from.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setPhoneNumberPoolCountries(java.util.Collection)} or
{@link #withPhoneNumberPoolCountries(java.util.Collection)} if you want to override the existing values.
</p>

@param phoneNumberPoolCountries
       The countries for proxy phone numbers to be selected from.
@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/PutVoiceConnectorProxyRequest.java