public Integer getMaxDrainDurationSeconds() {
        return this.maxDrainDurationSeconds;
    }
<p>
The maximum amount of time to wait (in seconds) before forcibly releasing the IP addresses if connections are
still in progress. Default value is 350 seconds.
</p>

@return The maximum amount of time to wait (in seconds) before forcibly releasing the IP addresses if connections
        are still in progress. Default value is 350 seconds.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/UnassignPrivateNatGatewayAddressRequest.java