openrtb-core/src/main/java/com/google/openrtb/json/OpenRtbJsonReader.java
public BidRequest readBidRequest(Reader reader) throws IOException {
    return ProtoUtils.built(readBidRequest(factory().getJsonFactory().createParser(reader)));
  }
public BidRequest readBidRequest(Reader reader) throws IOException {
    return ProtoUtils.built(readBidRequest(factory().getJsonFactory().createParser(reader)));
  }
Desserializes a {@link BidRequest} from JSON, streamed from a {@link Reader}.