Package: qtquick1-5-dev-tools

"qtquick1-5-dev-tools" package binaries on Debian:

/usr/lib/x86_64-linux-gnu/qt5/bin/qml1plugindump /usr/lib/x86_64-linux-gnu/qt5/bin/qmlviewer

You may install this package on Debian with apt-get install qtquick1-5-dev-tools