A simple alternative to Ktor's default heartbeat method

SendChannelHeartbeat.kt

@OptIn(ObsoleteCoroutinesApi::class)
public suspend fun <T> SendChannel<T>.startHeartbeat(
    scope: CoroutineScope,
    intervalMillis: Long,
    delayMillis: Long,
    content: T
): Job = scope.launch {
    val channel = ticker(intervalMillis, delayMillis)
    channel.consumeEach {
        this@startHeartbeat.send(content)
    }
}