/app/observers/

• ../
• activity_observer.rb
• base_observer.rb
• email_observer.rb
• issue_observer.rb
• key_observer.rb
• merge_request_observer.rb
• note_observer.rb
• project_activity_cache_observer.rb
• project_observer.rb
• system_hook_observer.rb
• user_observer.rb
• users_group_observer.rb
• users_project_observer.rb