code: public void setSqlValuesFormatter(final SQLValuesFormatter sqlValuesFormatter) {
          if (entities.size() > 0) {
              throw new IllegalStateException("The SQL values formatter cannot be changed after an entity was generated!");
          }
          if (sqlValuesFormatter == null) {
              this.sqlValuesFormatter = new DefaultSQLValuesFormatter();
          } else {
              this.sqlValuesFormatter = sqlValuesFormatter;
          }
      }
docs: Sets the insert value formatter. Passing {@code null} resets it to a {@link DefaultSQLValuesFormatter}.
  Must not be called after entities are created or an {@link IllegalStateException} gets thrown.
  
  @param sqlValuesFormatter The new insert value formatter