core/src/main/java/com/twitter/elephantbird/mapreduce/output/LzoThriftB64LineOutputFormat.java
public static <M extends TBase<?, ?>>
  void setClassConf(Class<M> thriftClass, Configuration jobConf) {
    ThriftUtils.setClassConf(jobConf,
                             LzoThriftB64LineOutputFormat.class,
                             thriftClass);
  }
public static <M extends TBase<?, ?>>
  void setClassConf(Class<M> thriftClass, Configuration jobConf) {
    ThriftUtils.setClassConf(jobConf,
                             LzoThriftB64LineOutputFormat.class,
                             thriftClass);
  }
Sets an internal configuration in jobConf so that remote Tasks
instantiate appropriate object for this generic class based on thriftClass