private static byte[] asciiBytes(String value) {
    try {
      return value.getBytes("ASCII");
    } catch (UnsupportedEncodingException uee) {
      // won't happen
      throw new RuntimeException("ASCII not found!", uee);
    }
  }
Helper method that transforms provided string into its byte representation using ASCII encoding

@param value bytes value
@return byte array representing ascii encoded value
fbcore/src/main/java/com/facebook/common/webp/WebpSupportStatus.java