//       method convenient for multiline raw strings.
  // Newlines ('\n') are allowed/expected.
  Renderer &CodeLines(const string &text);
  template <typename... Args>
  Renderer CodeLines(absl::string_view text, const Args &...args) {
    return CodeLines(absl::Substitute(text, args...));
  }

  // Indent and append a C++ statement.
  // Note: do *not* include a trailing semicolon in the statement text.

  context_.code.AddLineWithoutIndent("");
  return *this;
}

Renderer& Renderer::CodeLine(const string& text) {
  context_.code.AddLineWithoutIndent(text);
  return *this;
}

Renderer& Renderer::CodeLines(const string& text) {
  StringPiece trimmed_text(text);
  str_util::RemoveWhitespaceContext(&trimmed_text);
  for (const string& line : str_util::Split(trimmed_text, '\n')) {
    context_.code.AddLineWithoutIndent(line);
  }

    : Renderer(context),
      guard_(context),
      name_space_(context),
      includes_(context),
      ops_(ops) {}

void CppFileRenderer::Render() {
  CodeLines(copyright);
  BlankLine();
  CodeLine(machine_generated);
  BlankLine();

  if (context_.mode == RendererContext::kHeader) {
    guard_.Open();
  } else {
    includes_.SelfHeader();
  }