String (final boolean required, @NotNull final String textToShow) { if (textToShow.startsWith(MANDATORY_ARG_BRACES.first) || textToShow.startsWith(OPTIONAL_ARG_BRACES.first)) { return textToShow; } final Pair<String, String> braces = (required ? MANDATORY_ARG_BRACES : OPTIONAL_ARG_BRACES); return String.format("%s%s%s", braces.first, textToShow, braces.second); }