```ruby
require 'action_view'
require 'bootstrap_form/builder'
require 'bootstrap_form/group'
require 'bootstrap_form/version'

module BootstrapForm
end
```

Define BootstrapForm before loading classes.
user
```ruby
require 'action_view'

module BootstrapForm
end

require 'bootstrap_form/builder'
require 'bootstrap_form/group'
require 'bootstrap_form/version'
```
assistant