public UpgradeCheckStatus getResult(UpgradeCheckDescription description) {
    return m_results.get(description);
  }
Gets the result of a check of the supplied description
@param description the description
@return the return value, or {@code null} if it has not been run
ambari-server-spi/src/main/java/org/apache/ambari/spi/upgrade/UpgradeCheckRequest.java