# File lib/hammer_cli/completer.rb, line 98
    def complete_attribute(attribute, value)
      if attribute.respond_to?(:complete)
        if value != nil and value.quoted?
          filter(attribute.complete(value), value).map do |completion|
            quote_value(completion, value.quote)
          end
        else
          filter(attribute.complete(value), value)
        end
      else
        []
      end
    end