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

Provides :
harfbuzz-devel
harfbuzz-devel(x86-64)
pkgconfig(harfbuzz)
pkgconfig(harfbuzz-icu)

Requires :

libc.so.6()(64bit)
harfbuzz-icu(x86-64) = 0.9.20-4.el7
libharfbuzz.so.0()(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
rtld(GNU_HASH)
pkgconfig(icu-uc)
libstdc++.so.6()(64bit)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
pkgconfig(harfbuzz)
libharfbuzz-icu.so.0()(64bit)
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(CompressedFileNames) <= 3.0.4-1
libm.so.6(GLIBC_2.2.5)(64bit)
libcairo.so.2()(64bit)
libc.so.6(GLIBC_2.4)(64bit)
/usr/bin/pkg-config
harfbuzz(x86-64) = 0.9.20-4.el7
libglib-2.0.so.0()(64bit)
libm.so.6()(64bit)
rpmlib(PayloadIsXz) <= 5.2-1
libgcc_s.so.1()(64bit)
libfreetype.so.6()(64bit)

Content of RPM :
/usr/bin/hb-ot-shape-closure
/usr/bin/hb-shape
/usr/bin/hb-view
/usr/include/harfbuzz
/usr/include/harfbuzz/hb-blob.h
/usr/include/harfbuzz/hb-buffer.h
/usr/include/harfbuzz/hb-common.h
/usr/include/harfbuzz/hb-deprecated.h
/usr/include/harfbuzz/hb-face.h
/usr/include/harfbuzz/hb-font.h
/usr/include/harfbuzz/hb-ft.h
/usr/include/harfbuzz/hb-glib.h
/usr/include/harfbuzz/hb-graphite2.h
/usr/include/harfbuzz/hb-icu.h
/usr/include/harfbuzz/hb-ot-layout.h
/usr/include/harfbuzz/hb-ot-tag.h
/usr/include/harfbuzz/hb-ot.h
/usr/include/harfbuzz/hb-set.h
/usr/include/harfbuzz/hb-shape-plan.h
/usr/include/harfbuzz/hb-shape.h
/usr/include/harfbuzz/hb-unicode.h
/usr/include/harfbuzz/hb-version.h
/usr/include/harfbuzz/hb.h
/usr/lib64/libharfbuzz-icu.so
/usr/lib64/libharfbuzz.so
/usr/lib64/pkgconfig/harfbuzz-icu.pc
/usr/lib64/pkgconfig/harfbuzz.pc
/usr/share/gtk-doc
/usr/share/gtk-doc/html
/usr/share/gtk-doc/html/harfbuzz
There is 37 files more in these RPM.