docs: static public void encodeGeographyPoint(final FastSerializer fs, GeographyPointValue value)
      throws IOException {
          final int length = GeographyPointValue.getLengthInBytes();
          ByteBuffer bb = ByteBuffer.allocate(length);
          bb.order(ByteOrder.nativeOrder());
          value.flattenToBuffer(bb);
          byte[] array = bb.array();
  
          assert(array.length == length);
  
          fs.write(array);
      }