public Integer getPhase1LifetimeSeconds() {
        return this.phase1LifetimeSeconds;
    }
<p>
The lifetime for phase 1 of the IKE negotiation, in seconds.
</p>
<p>
Constraints: A value between 900 and 28,800.
</p>
<p>
Default: <code>28800</code>
</p>

@return The lifetime for phase 1 of the IKE negotiation, in seconds.</p>
        <p>
        Constraints: A value between 900 and 28,800.
        </p>
        <p>
        Default: <code>28800</code>
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/VpnTunnelOptionsSpecification.java