docs: private String fixValue( final int column,
                               final String value ) {
          String _value = value;
          final FieldType fieldType = this.fieldTypes.get( column );
          if ( fieldType == FieldType.NORMAL_FIELD || !isMultipleConstraints() || isForAll() ) {
              return value;
          }
          if ( isDelimitedString( _value ) ) {
              _value = _value.substring( 1,
                                         _value.length() - 1 );
          }
          return _value;
      }