Merge pull request #9297 from reitermarkus/brew-typecheck

Library/Homebrew/cask/artifact/prefpane.rb

Library/Homebrew/cask/artifact/suite.rb

Library/Homebrew/cask/cmd/abstract_internal_command.rb

Library/Homebrew/cask/cmd/cat.rb

Library/Homebrew/cask/cmd/internal_help.rb

Library/Homebrew/cmd/--cellar.rb

Library/Homebrew/cmd/--prefix.rb

Library/Homebrew/cmd/--repository.rb

Library/Homebrew/cmd/--version.rb

Library/Homebrew/cmd/analytics.rb

Library/Homebrew/cmd/autoremove.rb

Library/Homebrew/cmd/cleanup.rb

Library/Homebrew/cmd/config.rb

Library/Homebrew/cmd/gist-logs.rb

Library/Homebrew/cmd/leaves.rb

Library/Homebrew/cmd/link.rb

Library/Homebrew/cmd/migrate.rb

Library/Homebrew/cmd/missing.rb

Library/Homebrew/cmd/pin.rb

Library/Homebrew/cmd/postinstall.rb