public com.google.api.HttpBody getHttpBody() {
      if (httpBodyBuilder_ == null) {
        return httpBody_ == null ? com.google.api.HttpBody.getDefaultInstance() : httpBody_;
      } else {
        return httpBodyBuilder_.getMessage();
      }
    }
<pre>
The prediction input. Supports HTTP headers and arbitrary data payload.
</pre>

<code>.google.api.HttpBody http_body = 2;</code>

@return The httpBody.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamRawPredictRequest.java