public DescribeGatewayInformationResult withGatewayNetworkInterfaces(NetworkInterface... gatewayNetworkInterfaces) {
        if (this.gatewayNetworkInterfaces == null) {
            setGatewayNetworkInterfaces(new com.amazonaws.internal.SdkInternalList<NetworkInterface>(gatewayNetworkInterfaces.length));
        }
        for (NetworkInterface ele : gatewayNetworkInterfaces) {
            this.gatewayNetworkInterfaces.add(ele);
        }
        return this;
    }
<p>
A <a>NetworkInterface</a> array that contains descriptions of the gateway network interfaces.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setGatewayNetworkInterfaces(java.util.Collection)} or
{@link #withGatewayNetworkInterfaces(java.util.Collection)} if you want to override the existing values.
</p>

@param gatewayNetworkInterfaces
       A <a>NetworkInterface</a> array that contains descriptions of the gateway network interfaces.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-storagegateway/src/main/java/com/amazonaws/services/storagegateway/model/DescribeGatewayInformationResult.java