my %dep = (
     'Foo'      => [ 'Bar','Baz' ],
     'Foo::Bar' => [ 'Foo' ],
     'Bar'      => [ 'Fubar' ],
);

##</code><code>##

'Fubar','Bar','Baz','Foo','Foo::Bar'

##</code><code>##

'Fubar','Foo','Bar','Baz','Foo::Bar'

##</code><code>##

'a' => [ 'b','c' ]
'a' => [ 'c','b' ]