Extracting a separate

Separating.kt

// data layer object
open class RealmTask constructor(
    var title: String = "",
    var description: String,
    var isCompleted: Boolean,
    @PrimaryKey var entryId: String
): RealmObject()

fun RealmTask.toDomain() {
    return Task(
        title = this.title,
        description = this.description,
        isCompleted = this.isCompleted,
        entryId = this.entryId
    )
}

// domain layer object
data class Task(
    val title: String,
    val description: String,
    val isCompleted: Boolean,
    val entryId: String
)