cluster

type Metadata interface {
	// IsGlobalDomainEnabled whether the global domain is enabled,
	// this attr should be discarded when cross DC is made public
	IsGlobalDomainEnabled() bool
	// IsMasterCluster whether current cluster is master cluster
	IsMasterCluster() bool
	// GetNextFailoverVersion return the next failover version for domain failover
	GetNextFailoverVersion(int64) int64
	// GetMasterClusterName return the master cluster name
	GetMasterClusterName() string
	// GetCurrentClusterName return the current cluster name
	GetCurrentClusterName() string
	// GetAllClusterNames return the all cluster names, as a set
	GetAllClusterNames() map[string]bool
}