import java.util.*
 
fun main(args: Array<String>) {
 
}
 
 class Type1(
    val property1: String) : User()
{
    val property2: String = ""
}
 
 class Type2(
    val property1: String) : User()
{
    val property2: String = ""
}
 
open class User {
 
    val Id: Long = 0
 
    val username:String = ""
 
    val password:String = ""
}
 
interface JpaRepository<Object,Long> {}
 
interface UserRepository<User, Long>: JpaRepository<User, Long> {
    fun getUserByUsername(username: String)
}
 
interface Type1Repository: UserRepository<Type1, Long> {}

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