/usr/ is in libgjs-dev 1.39.91-0ubuntu1.
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/usr/lib/
/usr/lib/pkgconfig/
/usr/lib/pkgconfig/gjs-internals-1.0.pc
/usr/lib/pkgconfig/gjs-1.0.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libgjs-dev/
/usr/share/doc/libgjs-dev/copyright
/usr/include/
/usr/include/gjs-1.0/
/usr/include/gjs-1.0/gjs/
/usr/include/gjs-1.0/gjs/compat.h
/usr/include/gjs-1.0/gjs/context.h
/usr/include/gjs-1.0/gjs/mem.h
/usr/include/gjs-1.0/gjs/importer.h
/usr/include/gjs-1.0/gjs/native.h
/usr/include/gjs-1.0/gjs/byteArray.h
/usr/include/gjs-1.0/gjs/runtime.h
/usr/include/gjs-1.0/gjs/type-module.h
/usr/include/gjs-1.0/gjs/gjs.h
/usr/include/gjs-1.0/gjs/jsapi-util.h
/usr/include/gjs-1.0/gjs/gjs-module.h
/usr/include/gjs-1.0/gjs/coverage.h
/usr/include/gjs-1.0/gi/
/usr/include/gjs-1.0/gi/gerror.h
/usr/include/gjs-1.0/gi/enumeration.h
/usr/include/gjs-1.0/gi/gtype.h
/usr/include/gjs-1.0/gi/repo.h
/usr/include/gjs-1.0/gi/closure.h
/usr/include/gjs-1.0/gi/arg.h
/usr/include/gjs-1.0/gi/union.h
/usr/include/gjs-1.0/gi/boxed.h
/usr/include/gjs-1.0/gi/interface.h
/usr/include/gjs-1.0/gi/keep-alive.h
/usr/include/gjs-1.0/gi/ns.h
/usr/include/gjs-1.0/gi/param.h
/usr/include/gjs-1.0/gi/object.h
/usr/include/gjs-1.0/gi/fundamental.h
/usr/include/gjs-1.0/gi/function.h
/usr/include/gjs-1.0/gi/value.h
/usr/include/gjs-1.0/gi/foreign.h
/usr/lib/libgjs.so
/usr/share/doc/libgjs-dev/NEWS.gz
/usr/share/doc/libgjs-dev/README
/usr/share/doc/libgjs-dev/changelog.Debian.gz