core/src/main/java/com/twitter/elephantbird/mapreduce/output/LzoProtobufB64LineOutputFormat.java
public static <M extends Message>
  void setClassConf(Class<M> protoClass, Configuration jobConf) {
    Protobufs.setClassConf(jobConf,
                           LzoProtobufB64LineOutputFormat.class,
                           protoClass);
  }
public static <M extends Message>
  void setClassConf(Class<M> protoClass, Configuration jobConf) {
    Protobufs.setClassConf(jobConf,
                           LzoProtobufB64LineOutputFormat.class,
                           protoClass);
  }
Sets an internal configuration in jobConf so that remote Tasks
instantiate appropriate object for this generic class based on protoClass