openrtb-core/src/main/java/com/google/openrtb/json/OpenRtbJsonUtils.java
public static JsonToken peekToken(JsonParser par) throws IOException {
    JsonToken token = par.getCurrentToken();
    if (token == null || token == JsonToken.FIELD_NAME) {
      token = par.nextToken();
    }
    return token;
  }
public static JsonToken peekToken(JsonParser par) throws IOException {
    JsonToken token = par.getCurrentToken();
    if (token == null || token == JsonToken.FIELD_NAME) {
      token = par.nextToken();
    }
    return token;
  }
Skips a field name if necessary, returning the current token then.