public Builder addAttributes(
        com.google.cloud.visionai.v1.OperatorDefinition.AttributeDefinition value) {
      if (attributesBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureAttributesIsMutable();
        attributes_.add(value);
        onChanged();
      } else {
        attributesBuilder_.addMessage(value);
      }
      return this;
    }
<pre>
Declares the attributes.
</pre>

<code>
repeated .google.cloud.visionai.v1.OperatorDefinition.AttributeDefinition attributes = 4;
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/OperatorDefinition.java