def add(attributes)
      level = attributes[:level].to_sym

      if valid_level?(level)
        entries << Entry.new(attributes)
      end
    end
def add(attributes)
      level = attributes[:level].to_sym

      if valid_level?(level)
        entries << Entry.new(attributes)
      end
    end
@param [Array] levels The reporting levels to enable for this instance.


 Adds a new entry to the report.

 @param [Hash] attributes
 @option attributes [Symbol] :level The level of the message.

 @see RubyLint::Report::Entry#initialize