public void setPhase1LifetimeSeconds(Integer phase1LifetimeSeconds) {
        this.phase1LifetimeSeconds = phase1LifetimeSeconds;
    }
<p>
The lifetime for phase 1 of the IKE negotiation, in seconds.
</p>

@param phase1LifetimeSeconds
       The lifetime for phase 1 of the IKE negotiation, in seconds.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsEc2VpnConnectionOptionsTunnelOptionsDetails.java