},
		config.PolicyOPASubSys: {
			Key:         config.PolicyOPASubSys,
			Description: "[DEPRECATED - use `policy_plugin` instead] enable external OPA for policy enforcement",
		},
	}

	config.RegisterHelpDeprecatedSubSys(deprecatedHelpKVMap)
}

var (
	// globalServerConfig server config.
	globalServerConfig   config.Config
	globalServerConfigMu sync.RWMutex
)

// removed in the future.
var HelpDeprecatedSubSysMap = map[string]HelpKV{}

// RegisterHelpDeprecatedSubSys - saves input help KVS for deprecated
// sub-systems globally. Should be called only once at init.
func RegisterHelpDeprecatedSubSys(helpDeprecatedKVMap map[string]HelpKV) {
	maps.Copy(HelpDeprecatedSubSysMap, helpDeprecatedKVMap)
}

// KV - is a shorthand of each key value.