@interface ESTSettingOperation : NSObject
ESTSettingOperation represents base class for setting operations mainly responsible for handling operation type.
Property describing the current operation status. Note that it will only be updated if operation is executed as a part of
Method used to determine where the setting is stored (Cloud database, device memory, or both). If not customized in subclass, defaults to ESTSettingStorageTypeDeviceCloud.
func storageType() -> ESTSettingStorageType
Setting storage type.