Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
gjs-devel
libgjs-devel
pkgconfig(gjs-1.0)
pkgconfig(gjs-internals-1.0)
devel(libgjs(64bit))
lib64gjs-devel
lib64gjs-devel(x86-64)

Requires :

devel(libgcc_s(64bit))
devel(libcairo(64bit))
pkgconfig(gjs-1.0)
pkgconfig
devel(libffi(64bit))
devel(libgtk-3(64bit))
devel(libcairo-gobject(64bit))
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(CompressedFileNames) <= 3.0.4-1
lib64gjs0 = 1.40.1-3pclos2017
rpmlib(VersionedDependencies) <= 3.0.3-1
pkgconfig(mozjs-24)
pkgconfig(gobject-introspection-1.0)
devel(libstdc++(64bit))
rpmlib(PayloadIsXz) <= 5.2-1
pkgconfig(gobject-2.0)
devel(libgirepository-1.0(64bit))
devel(libglib-2.0(64bit))
devel(libgobject-2.0(64bit))
devel(libreadline(64bit))
devel(libgio-2.0(64bit))

Content of RPM :
/usr/include/gjs-1.0
/usr/include/gjs-1.0/gi
/usr/include/gjs-1.0/gi/arg.h
/usr/include/gjs-1.0/gi/boxed.h
/usr/include/gjs-1.0/gi/closure.h
/usr/include/gjs-1.0/gi/enumeration.h
/usr/include/gjs-1.0/gi/foreign.h
/usr/include/gjs-1.0/gi/function.h
/usr/include/gjs-1.0/gi/fundamental.h
/usr/include/gjs-1.0/gi/gerror.h
/usr/include/gjs-1.0/gi/gtype.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/object.h
/usr/include/gjs-1.0/gi/param.h
/usr/include/gjs-1.0/gi/repo.h
/usr/include/gjs-1.0/gi/union.h
/usr/include/gjs-1.0/gi/value.h
/usr/include/gjs-1.0/gjs
/usr/include/gjs-1.0/gjs/byteArray.h
/usr/include/gjs-1.0/gjs/compat.h
/usr/include/gjs-1.0/gjs/context.h
/usr/include/gjs-1.0/gjs/coverage.h
/usr/include/gjs-1.0/gjs/gjs-module.h
/usr/include/gjs-1.0/gjs/gjs.h
/usr/include/gjs-1.0/gjs/importer.h
/usr/include/gjs-1.0/gjs/jsapi-util.h
/usr/include/gjs-1.0/gjs/mem.h
/usr/include/gjs-1.0/gjs/native.h
There is 5 files more in these RPM.