code: private void readIdToRequest(CoronaSerializer coronaSerializer)
      throws IOException {
      coronaSerializer.readField("idToRequest");
      // Expecting the START_OBJECT token for idToRequest
      coronaSerializer.readStartObjectToken("idToRequest");
      JsonToken current = coronaSerializer.nextToken();
      while (current != JsonToken.END_OBJECT) {
        Integer id = Integer.parseInt(coronaSerializer.getFieldName());
        idToRequest.put(id, new ResourceRequestInfo(coronaSerializer));
        current = coronaSerializer.nextToken();
      }
      // Done with reading the END_OBJECT token for idToRequest
    }
docs: Reads the idToRequest map from a JSON stream
  
  @param coronaSerializer The CoronaSerializer instance to be used to
  read the JSON
  @throws IOException