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sealed trait AcquiringOrder extends Product with Serializable {
  val id: BSONObjectID
  val info: AcquiringOrder.Info
  val createdAt: OffsetDateTime
  val updatedAt: OffsetDateTime
}

object AcquiringOrder {

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/************ 1 ******************/

class LaunchesSceneController @Inject constructor(
    private val dateTimeFormatter: DateTimeFormatter
) : SceneController() {

    var launches = emptyList<LaunchEntity>()
    var isProgressBarVisible = false

    var onLaunchClicked: ((launch: LaunchEntity) -> Unit)? = null

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1

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class FullscreenImagesDialogFragment : DialogFragment() {

    sealed class Params {
        @Parcelize
        data class Images(
            val images: List<String>,
            val offset: Int = 0
        ) : Params(), Parcelable

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inline fun <reified T> Fragment.argument(name: String? = null): ReadOnlyProperty<Fragment, T> =
    object : ReadOnlyProperty<Fragment, T> {
        override operator fun getValue(thisRef: Fragment, property: KProperty<*>): T {
            return thisRef.arguments?.get(name ?: property.name) as T
        }
    }
    
class FullscreenImagesDialogFragment : DialogFragment() {

    private val something by argument<String>(SOMETHING_KEY)

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override fun findSnapView(layoutManager: RecyclerView.LayoutManager) =
        if (layoutManager is LinearLayoutManager) {
            if (layoutManager.canScrollHorizontally()) {
                getStartView(layoutManager, getHorizontalHelper(layoutManager))
            } else {
                getStartView(layoutManager, getVerticalHelper(layoutManager))
            }
        } else {
            super.findSnapView(layoutManager)
        }

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    override fun currentUserCollection(page: Int?, limit: Int?): Single<PaginationResponse<UserCurrentEntity>> =
        Single.create<PaginationResponse<UserCurrentEntity>> { emitter ->
            realm.executeTransaction { realm ->
                realm.where(RealmUserCurrentEntity::class.java)
                    .findAll()
                    .run {
                        val items = this.drop(page * limit)
                            .take(limit)
                            .let { realm.copyFromRealm(it) }
                            .map { it.toDomain() }

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override fun deletePhotoItem(id: String): Completable {
        return network.deletePhotoItem(id)
           .andThen(local.deletePhotoItem(id))
}

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// 
// просто берем параметры и подставляем в запрос realm'а 
// нейминг здесь корявый, но он берется из Api дока, так что тут уже не наша сторона
override fun deletePhotoItem(id: String) = Completable.create { emitter ->
   realm.executeTransaction { realm ->
       val photo = realm.where(RealmPhotoEntity::class.java)
            .equalTo("id", id)
            .findFirst()
            
       if (photo != null) {

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// Вот так пашет
private lateinit var cards: RealmResults<RealmCardEntity>
    override fun subscribeForChanges(onChange: (card: CardEntity) -> Unit) {
        val realm = Realm.getDefaultInstance()
        cards = realm.where(RealmCardEntity::class.java)
            .findAllAsync()

        cards.addChangeListener { results ->
            results.let { realm.copyFromRealm(it) }
                .map { it.toDomain() }