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Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →

class method

Gem.done_installing

() { (::Gem::DependencyInstaller, ::Array[::Gem::Specification]) -> untyped } -> ::Array[::Proc]
done_installing(&hook)

Adds a post-installs hook that will be passed a Gem::DependencyInstaller and a list of installed specifications when Gem::DependencyInstaller#install is complete