anchor.diff:  -endif.
   
   
  --export([read_metadata/1,
  +-export([create/4,
  +         read_metadata/1,
            aggregation_type/1,
            aggregation_value/1,
            update_point/3]).
  
positive.code:             read_archive_info(IO, [Archive | As], Archives - 1);
          _Error -> error
      end.
  
  
  read_header(<<AggType:32/unsigned-integer-big,
  
negative.code: 
  % 12 bytes = 4 bytes (timestamp) + 8 bytes (value)
  -define(POINT_SIZE, 12).
  
  % default write chunk size of 4kb
  -define(WRITE_CHUNK_SIZE, 4096).
  
  
  -record(metadata, {aggregation, retention, xff, archives}).
  