Better wording and use shared signature.

Currently translated at 100.0% (782 of 782)

Currently translated at 100.0% (782 of 782)

Currently translated at 100.0% (782 of 782)

Currently translated at 100.0% (782 of 782)

This really does not have to be abstract method as overriding
is_supported removes need for it.

Implemented using dummy translation class

Currently translated at 100.0% (782 of 782)

Currently translated at 100.0% (782 of 782)