return $r if ref $r ne 'Plack::App::Gruntmaster::Response';
my @hdrs = ('X-Forever' => 1, 'Cache-Control' => "$privacy, max-age=$r->{maxage}");
push @hdrs, Vary => 'Authorization' if $privacy eq 'private';
return $r if ref $r ne 'Plack::App::Gruntmaster::Response';
my @hdrs = ('X-Forever' => 1, 'Cache-Control' => "$privacy, max-age=$r->{maxage}");
push @hdrs, Vary => 'Authorization' if $privacy eq 'private';