def process_verbosity_param
      return unless @options[:verbose]
      log_levels = %w[debug info warn error fatal unknown]
      @logger.level = log_levels.index(@options[:verbose])
    end
def process_verbosity_param
      return unless @options[:verbose]
      log_levels = %w[debug info warn error fatal unknown]
      @logger.level = log_levels.index(@options[:verbose])
    end
Explicit verbose mode, overrides configuration value