Can't install dub on Debian

[Suliman via Digitalmars-d-learn]

root at 66898:~# apt-get install multiarch-support
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package multiarch-support is not available, but is referred to by 
another packag
e.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'multiarch-support' has no installation candidate