All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`delete(String userId)`
`boolean`	`exists(String userId)`
`Optional<UserEntity>`	`findById(String id)`
`List<String>`	`findExpiredUser()`
`Optional<LocalDateTime>`	`getRulesLastChangeDate(String id)`
`void`	`save(UserEntity userEntity)`
`void`	`setRulesLastChangeDate(String id, LocalDateTime dateTime)`

Optional<UserEntity> findById(String id)

Optional<LocalDateTime> getRulesLastChangeDate(String id)

void setRulesLastChangeDate(String id,
                            LocalDateTime dateTime)

Interface UserRepositoryIf