hexagonal-clients-port

Cat.kt

data class Cat(
    val id: String,
    val name: String,
    val ownerId: String,
    val ownerName: String,
    val brown: Boolean,
    val grey: Boolean,
    val breed: Breed?,
    val appointments: List<Instant>,
    val favouriteFood: String? = null  // new field; defaulting to null for backwards compatibility
)

catsDao.kt

fun interface CatsDao {
    operator fun get(id: String): Cat?

    companion object
}