private void buildPartial0(com.google.cloud.vertexai.api.Content result) {
      int from_bitField0_ = bitField0_;
      if (((from_bitField0_ & 0x00000001) != 0)) {
        result.role_ = role_;
      }
    }
<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