# File lib/brakeman/warning.rb, line 135
  def confidence= conf
    @confidence = case conf
                  when Integer
                    conf
                  when Symbol
                    CONFIDENCE[conf]
                  else
                    raise "Could not set confidence to `#{conf}`"
                  end

    raise "Could not set confidence to `#{conf}`" unless @confidence
    raise "Invalid confidence: `#{@confidence}`" unless TEXT_CONFIDENCE[@confidence]
  end