         return '-'
              },
            },
            { title: "Size", data: function (row, type, set) {
                if (row.hasOwnProperty('size')) {
                  if (row.size) {
                    if (type === 'display'){
                      size = row.size / 1024 / 1024
                      return size.toFixed(2) + ' MiB'
                    }
                    return row.size
                  }
                }
                return '-'
              },
            },
       