```ruby
require 'rails_ui_kit/engine'
require 'faker'

module RailsUiKit
end
```

Use ffaker gem if it exist in bundle
user
```ruby
require 'rails_ui_kit/engine'

if Gem::Specification.find_all_by_name('ffaker').any?
  require 'ffaker' unless defined?(Faker)
else
  require 'faker' unless defined?(Faker)
end

module RailsUiKit
end
```
assistant