public void setMaxLifetimeTimeoutMinutes(Integer maxLifetimeTimeoutMinutes) {
        this.maxLifetimeTimeoutMinutes = maxLifetimeTimeoutMinutes;
    }
<p>
The maximum amount of time (in minutes) a tunnel can remain open. If not specified, maxLifetimeTimeoutMinutes
defaults to 720 minutes. Valid values are from 1 minute to 12 hours (720 minutes)
</p>

@param maxLifetimeTimeoutMinutes
       The maximum amount of time (in minutes) a tunnel can remain open. If not specified,
       maxLifetimeTimeoutMinutes defaults to 720 minutes. Valid values are from 1 minute to 12 hours (720
       minutes)
aws-java-sdk-iotsecuretunneling/src/main/java/com/amazonaws/services/iotsecuretunneling/model/TimeoutConfig.java