code: public static BlockReader newBlockReader( int dataTransferVersion,
                                       int namespaceId,
                                       Socket sock, String file, long blockId,
                                       long genStamp,
                                       long startOffset, long len,
                                       int bufferSize, boolean verifyChecksum)
                                       throws IOException {
      return newBlockReader(dataTransferVersion, namespaceId,
                            sock, file, blockId, genStamp,
                            startOffset,
                            len, bufferSize, verifyChecksum, "",
                            Long.MAX_VALUE, -1, false, null,
                            new ReadOptions());
    }
docs: Java Doc required