{% content-ref url="preparation.md" %} preparation.md {% endcontent-ref %}
{% content-ref url="inbound-and-outbound-adapters-and-message-channel.md" %} inbound-and-outbound-adapters-and-message-channel.md {% endcontent-ref %}
{% content-ref url="message-consumer-and-publisher.md" %} message-consumer-and-publisher.md {% endcontent-ref %}