LeadershipLock returns globally maintained lock for leadership election To check leadership, use Lock.TryLock and check error.

LockWithKey returns a distributed Lock with given key.

NewJsonLockValuer is the default implementation of LockValuer.

FxGroup is a group name for uber.fx.

Lock distributed mutex lock backed by external infrastructure service such as consul or redis.

SyncManager manage distributed locks across the application.

LockValuer is used to annotate the lock in external infra service.