Overview.puml

@startuml

abstract class AbstractList{
    fun getAll(): Flowable<List<T>>
    fun getRowById(id: Int): Flowable<T>
    suspend fun insert(vararg row: I): List<Long>
    suspend fun update(row: I): Int
    suspend fun delete(row: I): Int
}
abstract AbstractCollection
interface List
interface Collection

List <|-- AbstractList
Collection <|-- AbstractCollection

Collection <|- List
AbstractCollection <|- AbstractList
AbstractList <|-- ArrayList

class ArrayList {
Object[] elementData
size()
}

enum TimeUnit {
DAYS
HOURS
MINUTES
}

@enduml