LPS-34662 Remove unused var
LPS-34662 Add @Override
LPS-37343 Make the methods public (no changes)
LPS-37343 Add @Override
LPS-37343 make test synchronous
LPS-37343 refactor method (no changes)
LPS-37343 support for replacing a list of destinations
LPS-37343 fix Staging tests: background tasks must be sync for the tests to work