public Builder clearHttpBody() {
      bitField0_ = (bitField0_ & ~0x00000002);
      httpBody_ = null;
      if (httpBodyBuilder_ != null) {
        httpBodyBuilder_.dispose();
        httpBodyBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
The prediction input. Supports HTTP headers and arbitrary data payload.
</pre>

<code>.google.api.HttpBody http_body = 2;</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamRawPredictRequest.java