code: public void readToEntry(final long record, final NamespaceEntry e)
              throws IOException {
          final byte[] recbytes = super.read(record);
          nsrec.readTo(recbytes, e);
      }
docs: Read a specific record into {@link NamespaceEntry namespace entry}
  object {@code e}.
  
  <p>
  This reuses the entry object given in order to limit garbage collection.
  </p>
  
  @param record {@code long} the record number to read
  @param e the {@link NamespaceEntry entry} to populate from the record
  contents
  @throws IOException Thrown if an IO exception occurred reading from the
  {@link RecordFile record file}