/usr/lib/x86_64-linux-gnu/cmake/ is in qttools5-dev 5.5.1-3build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/cmake/Qt5Designer/
/usr/lib/x86_64-linux-gnu/cmake/Qt5Designer/Qt5DesignerConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5Designer/Qt5DesignerConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5Help/
/usr/lib/x86_64-linux-gnu/cmake/Qt5Help/Qt5HelpConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5Help/Qt5HelpConfigExtras.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5Help/Qt5HelpConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5UiPlugin/
/usr/lib/x86_64-linux-gnu/cmake/Qt5UiPlugin/Qt5UiPluginConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5UiPlugin/Qt5UiPluginConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5UiTools/
/usr/lib/x86_64-linux-gnu/cmake/Qt5UiTools/Qt5UiToolsConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5UiTools/Qt5UiToolsConfigVersion.cmake