/usr/ is in libaccounts-qt5-dev 1.15+17.04.20161104.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libaccounts-qt5-dev/
/usr/include/
/usr/include/accounts-qt5/
/usr/include/accounts-qt5/Accounts/
/usr/include/accounts-qt5/Accounts/Account
/usr/include/accounts-qt5/Accounts/AccountService
/usr/include/accounts-qt5/Accounts/Application
/usr/include/accounts-qt5/Accounts/AuthData
/usr/include/accounts-qt5/Accounts/Error
/usr/include/accounts-qt5/Accounts/Manager
/usr/include/accounts-qt5/Accounts/Provider
/usr/include/accounts-qt5/Accounts/Service
/usr/include/accounts-qt5/Accounts/ServiceType
/usr/include/accounts-qt5/Accounts/account-service.h
/usr/include/accounts-qt5/Accounts/account.h
/usr/include/accounts-qt5/Accounts/accountscommon.h
/usr/include/accounts-qt5/Accounts/application.h
/usr/include/accounts-qt5/Accounts/auth-data.h
/usr/include/accounts-qt5/Accounts/error.h
/usr/include/accounts-qt5/Accounts/manager.h
/usr/include/accounts-qt5/Accounts/manager_p.h
/usr/include/accounts-qt5/Accounts/provider.h
/usr/include/accounts-qt5/Accounts/service-type.h
/usr/include/accounts-qt5/Accounts/service.h
/usr/include/accounts-qt5/Accounts/utils.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/AccountsQt5/
/usr/lib/x86_64-linux-gnu/cmake/AccountsQt5/AccountsQt5Config.cmake
/usr/lib/x86_64-linux-gnu/cmake/AccountsQt5/AccountsQt5ConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/accounts-qt5.pc
/usr/share/doc/libaccounts-qt5-dev/copyright
/usr/lib/x86_64-linux-gnu/libaccounts-qt5.so
/usr/share/doc/libaccounts-qt5-dev/changelog.Debian.gz