/usr/ is in libresource-retriever-dev 1.12.3-2.
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..
/usr/include/
/usr/include/resource_retriever/
/usr/include/resource_retriever/retriever.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/resource_retriever.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libresource-retriever-dev/
/usr/share/doc/libresource-retriever-dev/copyright
/usr/share/resource_retriever/
/usr/share/resource_retriever/cmake/
/usr/share/resource_retriever/cmake/resource_retrieverConfig-version.cmake
/usr/share/resource_retriever/cmake/resource_retrieverConfig.cmake
/usr/share/resource_retriever/package.xml
/usr/lib/x86_64-linux-gnu/libresource_retriever.so
/usr/share/doc/libresource-retriever-dev/changelog.Debian.gz