AppStatusBuilder addNewCompleteLlapInstance(LlapInstance llapInstance) {
    this.completedInstances.add(llapInstance);
    this.containerToCompletedInstanceMap
        .put(llapInstance.getContainerId(), llapInstance);
    return this;
  }
Represents the status of the Llap application.
llap-server/src/java/org/apache/hadoop/hive/llap/cli/status/AppStatusBuilder.java