@JsonProperty(HOST_HOST_STATE_HEARTBEAT_LOST)
  @ApiModelProperty(name = HOST_HOST_STATE_HEARTBEAT_LOST)
  public int getHeartbeatLostStateHosts() {
    return heartbeatLostStateHosts;
  }
@return number of hosts having host status HEARTBEAT_LOST
ambari-server/src/main/java/org/apache/ambari/server/state/ClusterHealthReport.java