Wayland protocols only contains xml definitions, so the description is accurate:
find /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4 /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4 /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/pkgconfig /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/pkgconfig/wayland-protocols.pc /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/fullscreen-shell /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/fullscreen-shell/fullscreen-shell-unstable-v1.xml /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/input-method /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/input-method/input-method-unstable-v1.xml /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/tablet /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/tablet/tablet-unstable-v1.xml /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/relative-pointer /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/relative-pointer/relative-pointer-unstable-v1.xml /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/xdg-shell /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/xdg-shell/xdg-shell-unstable-v5.xml /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/linux-dmabuf /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/pointer-constraints /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/pointer-constraints/pointer-constraints-unstable-v1.xml /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/pointer-gestures /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/pointer-gestures/pointer-gestures-unstable-v1.xml /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/text-input /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/unstable/text-input/text-input-unstable-v1.xml /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/stable /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/stable/viewporter /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/stable/viewporter/viewporter.xml /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/stable/presentation-time /gnu/store/fy5lg7x7ln92gnb0da5nvkz0zswrf5z4-wayland-protocols-1.4/share/wayland-protocols/stable/presentation-time/presentation-time.xml