private boolean isSAMLAuth() {
    return "SAML"
        .equals(HiveConf.getVar(getHiveConf(), ConfVars.HIVE_SERVER2_SAML_CALLBACK_URL));
  }
Set the number of datanodes to be used by HS2.
@param count the number of datanodes
@return this Builder
itests/util/src/main/java/org/apache/hive/jdbc/miniHS2/MiniHS2.java