public InstanceFleetTimeline getTimeline() {
        return this.timeline;
    }
<p>
Provides historical timestamps for the instance fleet, including the time of creation, the time it became ready
to run jobs, and the time of termination.
</p>

@return Provides historical timestamps for the instance fleet, including the time of creation, the time it became
        ready to run jobs, and the time of termination.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/InstanceFleetStatus.java