register

@JvmName(name = "registerNullable")
fun CSHasRegistrations.register(registration: CSRegistration?): CSRegistration?
@JvmName(name = "registerReplaceRegistrationNullable")
fun CSHasRegistrations.register(replace: CSRegistration?, registration: CSRegistration?): CSRegistration?
@JvmName(name = "registerKeyRegistrationNullable")
fun CSHasRegistrations.register(key: String, registration: CSRegistration?): CSRegistration?