/usr/ is in libqt5webview5-dev 5.9.5-0ubuntu1.
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/usr/include/
/usr/include/x86_64-linux-gnu/
/usr/include/x86_64-linux-gnu/qt5/
/usr/include/x86_64-linux-gnu/qt5/QtWebView/
/usr/include/x86_64-linux-gnu/qt5/QtWebView/QtWebView
/usr/include/x86_64-linux-gnu/qt5/QtWebView/QtWebViewDepends
/usr/include/x86_64-linux-gnu/qt5/QtWebView/QtWebViewVersion
/usr/include/x86_64-linux-gnu/qt5/QtWebView/qtwebviewfunctions.h
/usr/include/x86_64-linux-gnu/qt5/QtWebView/qtwebviewversion.h
/usr/include/x86_64-linux-gnu/qt5/QtWebView/qwebview_global.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/Qt5WebView/
/usr/lib/x86_64-linux-gnu/cmake/Qt5WebView/Qt5WebViewConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/Qt5WebView/Qt5WebViewConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/libQt5WebView.prl
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/Qt5WebView.pc
/usr/lib/x86_64-linux-gnu/qt5/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_lib_webview.pri
/usr/share/
/usr/share/doc/
/usr/share/doc/libqt5webview5-dev/
/usr/share/doc/libqt5webview5-dev/copyright
/usr/lib/x86_64-linux-gnu/libQt5WebView.so
/usr/share/doc/libqt5webview5-dev/changelog.Debian.gz