QT CLOUD MESSAGING DOC GENERATION:

define following exports in command prompt / terminal:
BUILDDIR="."
QT_VER="5.11"
QT_VERSION="5.11"
QT_VERSION_TAG="5.11"
QT_INSTALL_DOCS="<pathToQt>/Qt/Docs/Qt-5.9.2"

Then run command:
<pathToQt>/Qt/5.9.2/<arch>/bin/qdoc qtcloudmessaging.qdocconf