URI::Generic#normalize!

# File tmp/rubies/ruby-4.1.0-preview1/lib/uri/generic.rb, line 1352
def normalize!
  if path&.empty?
    set_path('/')
  end
  if scheme && scheme != scheme.downcase
    set_scheme(self.scheme.downcase)
  end
  if host && host != host.downcase
    set_host(self.host.downcase)
  end
end