public Builder addAllAttributes(
        java.lang.Iterable<? extends com.google.cloud.videointelligence.v1p3beta1.DetectedAttribute>
            values) {
      if (attributesBuilder_ == null) {
        ensureAttributesIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, attributes_);
        onChanged();
      } else {
        attributesBuilder_.addAllMessages(values);
      }
      return this;
    }
<pre>
Optional. Attributes in the track level.
</pre>

<code>
repeated .google.cloud.videointelligence.v1p3beta1.DetectedAttribute attributes = 3 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/Track.java