private void buildPartialRepeatedFields(com.google.cloud.vertexai.api.Content result) {
      if (partsBuilder_ == null) {
        if (((bitField0_ & 0x00000002) != 0)) {
          parts_ = java.util.Collections.unmodifiableList(parts_);
          bitField0_ = (bitField0_ & ~0x00000002);
        }
        result.parts_ = parts_;
      } else {
        result.parts_ = partsBuilder_.build();
      }
    }
<pre>
The base structured datatype containing multi-part content of a message.

A `Content` includes a `role` field designating the producer of the `Content`
and a `parts` field containing multi-part data that contains the content of
the message turn.
</pre>

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