```ruby
require "bundler/dependency_graph/version"

module Bundler
  module DependencyGraph
    # Your code goes here...
  end
end
```

Add basic Bundler::API::Plugin structure for testing
user
```ruby
require "bundler/dependency_graph/version"

module Bundler
  module DependencyGraph
    class GraphBuilder
      Bundler::Plugin::API.command "graph", self

      def exec(command, args)
        puts "Hi Kerri & Whitney!"
      end
    end
  end
end
```
assistant