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

Provides :
kde-workspace-devel
kde-workspace-devel(x86-64)
kdebase-workspace-devel
solid-bluetooth-devel

Requires :

libksgrd.so.4()(64bit)
libkfontinstui.so.4()(64bit)
kde-workspace-libs(x86-64) = 4.11.19-8.el7
libkwinglesutils.so.1()(64bit)
libkscreensaver.so.5()(64bit)
libpowerdevilui.so.4()(64bit)
libkdecorations.so.4()(64bit)
libplasma-geolocation-interface.so.4()(64bit)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libplasma_applet-system-monitor.so.4()(64bit)
libkwineffects.so.1()(64bit)
libplasmagenericshell.so.4()(64bit)
libkephal.so.4()(64bit)
kdelibs4-devel
libweather_ion.so.6()(64bit)
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(CompressedFileNames) <= 3.0.4-1
libplasmaclock.so.4()(64bit)
libkworkspace.so.4()(64bit)
libkfontinst.so.4()(64bit)
libkwinglutils.so.1()(64bit)
libtaskmanager.so.4()(64bit)
ksysguard-libs(x86-64) = 4.11.19-8.el7
rpmlib(PayloadIsXz) <= 5.2-1
liblsofui.so.4()(64bit)
kwin-libs(x86-64) = 4.11.19-8.el7
kwin-gles-libs(x86-64) = 4.11.19-8.el7
libksignalplotter.so.4()(64bit)
libprocesscore.so.4()(64bit)
libprocessui.so.4()(64bit)

Content of RPM :
/usr/include/kde4/KDE
/usr/include/kde4/KDE/Plasma
/usr/include/kde4/KDE/Plasma/Weather
/usr/include/kde4/KDE/Plasma/Weather/Ion
/usr/include/kde4/kcommondecoration.h
/usr/include/kde4/kdecoration.h
/usr/include/kde4/kdecorationfactory.h
/usr/include/kde4/kgreeterplugin.h
/usr/include/kde4/kscreensaver.h
/usr/include/kde4/kscreensaver_export.h
/usr/include/kde4/kscreensaver_vroot.h
/usr/include/kde4/ksgrd
/usr/include/kde4/ksgrd/SensorAgent.h
/usr/include/kde4/ksgrd/SensorClient.h
/usr/include/kde4/ksgrd/SensorManager.h
/usr/include/kde4/ksgrd/SensorShellAgent.h
/usr/include/kde4/ksgrd/SensorSocketAgent.h
/usr/include/kde4/ksysguard
/usr/include/kde4/ksysguard/KTextEditVT.h
/usr/include/kde4/ksysguard/ProcessFilter.h
/usr/include/kde4/ksysguard/ProcessModel.h
/usr/include/kde4/ksysguard/ksignalplotter.h
/usr/include/kde4/ksysguard/ksysguardprocesslist.h
/usr/include/kde4/ksysguard/lsof.h
/usr/include/kde4/ksysguard/process.h
/usr/include/kde4/ksysguard/processes.h
/usr/include/kde4/kwinanimationeffect.h
/usr/include/kde4/kwinconfig.h
/usr/include/kde4/kwineffects.h
/usr/include/kde4/kwinglobals.h
There is 79 files more in these RPM.