code: public NamespaceEntry readEntry(final long record) throws IOException {
          final byte[] recbytes = super.read(record);
          return nsrec.read(recbytes);
      }
docs: Read a specific record number from the {@link RecordFile record file}
  as a {@link NamespaceEntry namespace entry}.
  
  @param record {@code long} the record number to read
  @return the {@link NamespaceEntry namespace entry}
  @throws IOException Thrown if an IO exception occurred reading from the
  {@link RecordFile record file}