public com.google.cloud.visionai.v1.ChannelOrBuilder getChannelOrBuilder() {
      if (channelBuilder_ != null) {
        return channelBuilder_.getMessageOrBuilder();
      } else {
        return channel_ == null
            ? com.google.cloud.visionai.v1.Channel.getDefaultInstance()
            : channel_;
      }
    }
<pre>
Required. The resource being created.
</pre>

<code>
.google.cloud.visionai.v1.Channel channel = 3 [(.google.api.field_behavior) = REQUIRED];
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/MaterializeChannelRequest.java