@java.lang.Override
      @SuppressWarnings({"unused"})
      protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
        return new SlackChannel();
      }
<pre>
SlackChannel contains the Slack channel ID and the time range to import.
</pre>

Protobuf type {@code google.cloud.vertexai.v1.SlackSource.SlackChannels.SlackChannel}
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SlackSource.java