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Provides :
libxcb-devel
libxcb-devel(x86-64)
pkgconfig(pthread-stubs)
pkgconfig(xcb)
pkgconfig(xcb-composite)
pkgconfig(xcb-damage)
pkgconfig(xcb-dpms)
pkgconfig(xcb-dri2)
pkgconfig(xcb-dri3)
pkgconfig(xcb-glx)
pkgconfig(xcb-present)
pkgconfig(xcb-randr)
pkgconfig(xcb-record)
pkgconfig(xcb-render)
pkgconfig(xcb-res)
pkgconfig(xcb-screensaver)
pkgconfig(xcb-shape)
pkgconfig(xcb-shm)
pkgconfig(xcb-sync)
pkgconfig(xcb-xevie)
pkgconfig(xcb-xf86dri)
pkgconfig(xcb-xfixes)
pkgconfig(xcb-xinerama)
pkgconfig(xcb-xinput)
pkgconfig(xcb-xkb)
pkgconfig(xcb-xselinux)
pkgconfig(xcb-xtest)
pkgconfig(xcb-xv)
pkgconfig(xcb-xvmc)

Requires :

libxcb-xv.so.0()(64bit)
libxcb-xvmc.so.0()(64bit)
libxcb-glx.so.0()(64bit)
libxcb-dpms.so.0()(64bit)
libxcb-xselinux.so.0()(64bit)
pkgconfig(xcb-xv)
libxcb-xkb.so.1()(64bit)
libxcb-shm.so.0()(64bit)
pkgconfig(xau) => 0.99.2
libxcb-xf86dri.so.0()(64bit)
libxcb-composite.so.0()(64bit)
pkgconfig(xcb)
libxcb(x86-64) = 1.13-1.el7
rpmlib(PayloadIsXz) <= 5.2-1
libxcb-dri2.so.0()(64bit)
libxcb-sync.so.1()(64bit)
libxcb-res.so.0()(64bit)
libxcb-xtest.so.0()(64bit)
pkgconfig(xcb-render)
libxcb-render.so.0()(64bit)
libxcb-shape.so.0()(64bit)
libxcb-present.so.0()(64bit)
libxcb-xevie.so.0()(64bit)
libxcb-randr.so.0()(64bit)
libxcb-screensaver.so.0()(64bit)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libxcb-dri3.so.0()(64bit)
libxcb-damage.so.0()(64bit)
libxcb-xinerama.so.0()(64bit)
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(CompressedFileNames) <= 3.0.4-1
/usr/bin/pkg-config
libxcb-xfixes.so.0()(64bit)
libxcb-record.so.0()(64bit)
pkgconfig(xcb-xfixes)
pkgconfig(xcb-shm)
pkgconfig(xcb-shape)
libxcb.so.1()(64bit)
pkgconfig(xcb-randr)
libxcb-xinput.so.0()(64bit)
pkgconfig(xcb-sync)

Content of RPM :
/usr/include/xcb
/usr/include/xcb/bigreq.h
/usr/include/xcb/composite.h
/usr/include/xcb/damage.h
/usr/include/xcb/dpms.h
/usr/include/xcb/dri2.h
/usr/include/xcb/dri3.h
/usr/include/xcb/ge.h
/usr/include/xcb/glx.h
/usr/include/xcb/present.h
/usr/include/xcb/randr.h
/usr/include/xcb/record.h
/usr/include/xcb/render.h
/usr/include/xcb/res.h
/usr/include/xcb/screensaver.h
/usr/include/xcb/shape.h
/usr/include/xcb/shm.h
/usr/include/xcb/sync.h
/usr/include/xcb/xc_misc.h
/usr/include/xcb/xcb.h
/usr/include/xcb/xcbext.h
/usr/include/xcb/xevie.h
/usr/include/xcb/xf86dri.h
/usr/include/xcb/xfixes.h
/usr/include/xcb/xinerama.h
/usr/include/xcb/xinput.h
/usr/include/xcb/xkb.h
/usr/include/xcb/xprint.h
/usr/include/xcb/xproto.h
/usr/include/xcb/xselinux.h
There is 2328 files more in these RPM.