Optional:    true,
			Type:        "duration",
		},
		config.HelpKV{
			Key:         apiDeleteCleanupInterval,
			Description: `set to change intervals when deleted objects are permanently deleted from ".trash" folder` + defaultHelpPostfix(apiDeleteCleanupInterval),
			Optional:    true,
			Type:        "duration",
		},
		config.HelpKV{
			Key:         apiODirect,

			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         Scopes,
			Description: `Comma separated list of OpenID scopes for server, defaults to advertised scopes from discovery document e.g. "email,admin"` + defaultHelpPostfix(Scopes),
			Optional:    true,
			Type:        "csv",
		},
		config.HelpKV{
			Key:         Vendor,

	// Indicates if sub-sys supports multiple targets.
	MultipleTargets bool `json:"multipleTargets"`
}

// HelpKVS - implement order of keys help messages.
type HelpKVS []HelpKV

// Lookup - lookup a key from help kvs.
func (hkvs HelpKVS) Lookup(key string) (HelpKV, bool) {
	for _, hkv := range hkvs {
		if hkv.Key == key {
			return hkv, true
		}
	}
	return HelpKV{}, false
}