var deletedSubSysKeys = map[string][]string{
	APISubSys: {apiReplicationWorkers, apiReplicationFailedWorkers},
	// Add future sub-system deleted keys
}

// Merge - merges a new config with all the
// missing values for default configs,
// returns a config.
func (c Config) Merge() Config {
	cp := New()
	for subSys, tgtKV := range c {
		for tgt := range tgtKV {
			ckvs := c[subSys][tgt]
			for _, kv := range cp[subSys][Default] {

	EnvKESServerCA         = "MINIO_KMS_KES_CAPATH"         // Path to file/directory containing CA certificates to verify the KES server certificate
	EnvKESKeyCacheInterval = "MINIO_KMS_KEY_CACHE_INTERVAL" // Period between polls of the KES KMS Master Key cache, to prevent it from being unused and purged