/usr/ is in ruby-thread-safe 0.3.3-1.
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/usr/share/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/thread_safe-0.3.3.gemspec
/usr/share/doc/
/usr/share/doc/ruby-thread-safe/
/usr/share/doc/ruby-thread-safe/changelog.Debian.gz
/usr/share/doc/ruby-thread-safe/copyright
/usr/share/doc/ruby-thread-safe/examples/
/usr/share/doc/ruby-thread-safe/examples/bench_cache.rb
/usr/share/doc/ruby-thread-safe/README.md
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/thread_safe.rb
/usr/lib/ruby/vendor_ruby/thread_safe/
/usr/lib/ruby/vendor_ruby/thread_safe/util/
/usr/lib/ruby/vendor_ruby/thread_safe/util/xor_shift_random.rb
/usr/lib/ruby/vendor_ruby/thread_safe/util/power_of_two_tuple.rb
/usr/lib/ruby/vendor_ruby/thread_safe/util/volatile_tuple.rb
/usr/lib/ruby/vendor_ruby/thread_safe/util/cheap_lockable.rb
/usr/lib/ruby/vendor_ruby/thread_safe/util/volatile.rb
/usr/lib/ruby/vendor_ruby/thread_safe/util/striped64.rb
/usr/lib/ruby/vendor_ruby/thread_safe/util/adder.rb
/usr/lib/ruby/vendor_ruby/thread_safe/util/atomic_reference.rb
/usr/lib/ruby/vendor_ruby/thread_safe/atomic_reference_cache_backend.rb
/usr/lib/ruby/vendor_ruby/thread_safe/synchronized_delegator.rb
/usr/lib/ruby/vendor_ruby/thread_safe/mri_cache_backend.rb
/usr/lib/ruby/vendor_ruby/thread_safe/synchronized_cache_backend.rb
/usr/lib/ruby/vendor_ruby/thread_safe/util.rb
/usr/lib/ruby/vendor_ruby/thread_safe/cache.rb
/usr/lib/ruby/vendor_ruby/thread_safe/version.rb
/usr/lib/ruby/vendor_ruby/thread_safe/non_concurrent_cache_backend.rb