public InstanceFleetStatus withTimeline(InstanceFleetTimeline timeline) {
        setTimeline(timeline);
        return this;
    }
<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>

@param timeline
       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.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/InstanceFleetStatus.java