public static @NotNull HtmlChunk template(@NotNull @Nls String template,
                                            @NotNull @NonNls String variable, @NotNull HtmlChunk substitution) {
    return template(template, new AbstractMap.SimpleImmutableEntry<>(variable, substitution));
  }
public static @NotNull HtmlChunk template(@NotNull @Nls String template,
                                            @NotNull @NonNls String variable, @NotNull HtmlChunk substitution)