@NotNull
    LongRangeSet getFullRange() {
      LongRangeSet result;
      if (myField != null) {
        result = DfLongType.extractRange(myField.getDefaultValue());
      }
      else {
        result = JvmPsiRangeSetUtil.typeRange(myExpression.getType());
      }
      return result == null ? LongRangeSet.all() : result;
    }
@NotNull
    LongRangeSet getFullRange()