plus

@JvmName(name = "plusNullable")
operator fun <T : CSRegistration> CSHasRegistrations.plus(registration: T?): T?
@JvmName(name = "plusRegistrationReplace")
operator fun CSHasRegistrations.plus(registration: Pair<CSRegistration?, CSRegistration>): CSRegistration
@JvmName(name = "plusPairNullable")
operator fun CSHasRegistrations.plus(registration: Pair<String, CSRegistration?>): CSRegistration?