pkg p2, func F() string
pkg p2, func F //deprecated
pkg p2, func G() Twoer
pkg p2, func NewError(string) error
pkg p2, type Twoer interface { PackageTwoMeth }
pkg p2, type Twoer interface, PackageTwoMeth()
pkg p2, type Twoer interface, PackageTwoMeth //deprecated

