protected override void Generate(DropUniqueConstraintOperation operation, IModel model, RelationalCommandListBuilder builder)
 {
     throw new NotSupportedException(SqliteStrings.InvalidMigrationOperation);
 }
 public override void Generate(DropUniqueConstraintOperation operation, IModel model, SqlBatchBuilder builder)
 {
     throw new NotSupportedException(Strings.InvalidMigrationOperation);
 }