Treat every `Artifact` instance as a single artifact.

Library/Homebrew/cask/lib/hbc/artifact.rb

Library/Homebrew/cask/lib/hbc/artifact/abstract_artifact.rb

...y/Homebrew/cask/lib/hbc/artifact/abstract_flight_block.rb

Library/Homebrew/cask/lib/hbc/artifact/abstract_uninstall.rb

Library/Homebrew/cask/lib/hbc/artifact/artifact.rb

Library/Homebrew/cask/lib/hbc/artifact/binary.rb

Library/Homebrew/cask/lib/hbc/artifact/installer.rb

Library/Homebrew/cask/lib/hbc/artifact/moved.rb

Library/Homebrew/cask/lib/hbc/artifact/nested_container.rb

Library/Homebrew/cask/lib/hbc/artifact/pkg.rb

Library/Homebrew/cask/lib/hbc/artifact/prefpane.rb

Library/Homebrew/cask/lib/hbc/artifact/qlplugin.rb

Library/Homebrew/cask/lib/hbc/artifact/relocated.rb

Library/Homebrew/cask/lib/hbc/artifact/stage_only.rb

Library/Homebrew/cask/lib/hbc/artifact/suite.rb

Library/Homebrew/cask/lib/hbc/artifact/symlinked.rb

Library/Homebrew/cask/lib/hbc/artifact/uninstall.rb

Library/Homebrew/cask/lib/hbc/artifact/zap.rb

Library/Homebrew/cask/lib/hbc/audit.rb

Library/Homebrew/cask/lib/hbc/cask.rb