Ruby namespace flattening gotchas?

I must use a ruby library that looks like it was written by a java developer because the namespaces are so looooooonngg. And I have to use a lot of the classes in the namespaces.

I would like to make my own namespace wrapper/alias. I tried this in irb and it seems to work. My question is if this is the "correct" way to do it (eg include vs extend) and/or what gotchas I have to watch out for besides class name collisions

module System   include ::Com::Company::Project::Core::System::Core   # About 5 classes   include ::Com::Company::Project::Core::System::Common # About 15 classes   module SubSystem     include ::Com::Company::Project::Core::SystemSubSystem::Core   # About 10 classes     include ::Com::Company::Project::Core::SystemSubSystem::Common # About 15 classes   endend....facade = System::Facade.new( System::SubSystem.new(...) )