 * This class is used on the server side. Calls come across the wire for the
 * for protocol {@link ClientNamenodeProtocolPB}.
 * This class translates the PB data types
 * to the native data types used inside the NN as specified in the generic
 * ClientProtocol.
 * This class is used on the server side. Calls come across the wire for the
 * for protocol {@link ClientNamenodeProtocolPB}.
 * This class translates the PB data types
 * to the native data types used inside the NN as specified in the generic
 * ClientProtocol. | ClientNamenodeProtocolServerSideTranslatorPB.java