sudo apt-get install snapd snapd-xdg-open
Reading package lists... Done

Building dependency tree
Reading state information... Done
Package snapd-xdg-open is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
However the following packages replace it:
  snapd

E: Package 'snapd-xdg-open' has no installation candidate