Repeatedly retrieves the direct messages (both sent and received) within the last 30 days, sorted in reverse-chronological order.
The relieved messages are cached (in a MetadataStore cache) to prevent duplications.
By default an in-memory SimpleMetadataStore is used.
The twitter.message.source.count controls the number or returned messages.
The spring.cloud.stream.poller properties control the message poll interval.
Must be aligned with used APIs rate limit