code: public <E extends Enum<?>> DataSetBuilder value(String column, E enumConstant) {
      return value(column, enumConstant.toString()); 
    }
docs: Set a constant enum value for a column, converting the enumeration constant to a string.
  
  <p>
  A call to this method is shorthand for <code>value(column, enumConstant.toString())</code>.
  </p>
  
  @param <E> Enumeration type.
  @param column Column name.
  @param enumConstant Value of the constant.
  @return The builder instance (for chained calls).