@startuml
!include style.puml
skinparam arrowThickness 1.1
skinparam arrowColor STORAGE_COLOR
skinparam classBackgroundColor STORAGE_COLOR

package Storage as StoragePackage {
    Class "CsvWriter" as CsvWriter

    Class "Storage" as Storage

    Class "CsvReader" as CsvReader
}

Class HiddenOutside #FFFFFF
HiddenOutside ..> Storage

Storage -left..> CsvWriter
Storage -right..> CsvReader

@enduml