public static @NotNull StringBuilder appendHighlightedByLexerAndEncodedAsHtmlCodeSnippet(
    @NotNull StringBuilder buffer,
    @NotNull Project project,
    @NotNull Language language,
    @Nullable String codeSnippet,
    float saturationFactor
  ) {
    return appendHighlightedByLexerAndEncodedAsHtmlCodeSnippet(buffer, project, language, codeSnippet, true, saturationFactor);
  }
public static @NotNull StringBuilder appendHighlightedByLexerAndEncodedAsHtmlCodeSnippet(
    @NotNull StringBuilder buffer,
    @NotNull Project project,
    @NotNull Language language,
    @Nullable String codeSnippet,
    float saturationFactor
  )