protected @NotNull StringBuilder appendStyledSpan(
    @NotNull StringBuilder buffer,
    @NotNull TextAttributes attributes,
    @Nullable String value
  ) {
    return appendStyledSpan(doHighlightSignatures(), buffer, attributes, value);
  }
protected @NotNull StringBuilder appendStyledSpan(
    @NotNull StringBuilder buffer,
    @NotNull TextAttributes attributes,
    @Nullable String value
  )