struct IndentedToStringVisitor : flatbuffers::ToStringVisitor {
  std::string indent_str;
  int indent_level;

  IndentedToStringVisitor(const std::string& delimiter,
                          const std::string& indent)
      : ToStringVisitor(delimiter), indent_str(indent), indent_level(0) {}

  void indent() {
    for (int i = 0; i < indent_level; ++i) s.append(indent_str);
  }

  // Adjust indention for fields in sequences.

        }
        return builder.toString();
    }

    private void printException(TestDescriptor descriptor, Throwable exception, boolean cause, int indentLevel, StringBuilder builder) {
        String indent = Strings.repeat(INDENT, indentLevel);
        builder.append(indent);
        if (cause) {
            builder.append("Caused by: ");
        }

// indent increments (or decrements) the indentation.
func (x *expandState) indent(n int) {
	x.indentLevel += n
}

// Printf does an indented fmt.Printf on the format and args.
func (x *expandState) Printf(format string, a ...interface{}) (n int, err error) {
	if x.indentLevel > 0 {
		fmt.Printf("%[1]*s", x.indentLevel, "")
	}
	return fmt.Printf(format, a...)
}