@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    getUnknownFields().writeTo(output);
  }
<pre>
The input content is encapsulated and uploaded in the request.
</pre>

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