End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Win32::Registry::PredefinedKey#class

class

ext/win32/lib/win32/registry.rb View on GitHub ↗

# File tmp/rubies/ruby-3.0.5/ext/win32/lib/win32/registry.rb, line 213
def class
  Registry
end

See also .new #close also in 3.4 · 3.3 · 3.2 · 3.1