The per-record value of a single field within a RecordComparisonFieldDelta.
Column index aligned with RecordComparisonRecord.ColumnIndex.
True when this cell's value is equal (case-insensitive, trimmed) to the reference cell (column 0, the survivor candidate). Column 0 is always true.
The field's value for this record.
The per-record value of a single field within a RecordComparisonFieldDelta.