public void addRecord(String config, String key, String value, String operation) throws IOException {
    super.appendRecord(config, key, value, operation);
  }
Appends a new record to the data file

@param config    a String declaring the relevant configuration type for the key and value
@param key       a String declaring the key (or property name) with in the relevant configuration type
@param value     a String containing the value of the configuration property
@param operation a String containing the operation to perform, expected "SET" or "REMOVE"
@throws java.io.IOException
ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KerberosConfigDataFileWriter.java