@Experimental
public interface InvokerRequest {
    /**
     * The parser request this instance was created from.
     */
    @Nonnull
    ParserRequest parserRequest();

    /**
     * Flag representing parser processing result: if there were some fatal errors during
     * {@link Parser#parseInvocation(ParserRequest)} this method will return {@code true} and invoker should

   *     value
   * @since 13.0
   */
  @CanIgnoreReturnValue
  public static long decode(String stringValue) {
    ParseRequest request = ParseRequest.fromString(stringValue);

    try {
      return parseUnsignedLong(request.rawValue, request.radix);
    } catch (NumberFormatException e) {
      NumberFormatException decodeException =