docs: public static String toConverterPreferenceValue(IExtraLanguageConversionInitializer input) {
  		final StringBuilder builder = new StringBuilder();
  		input.initializeConversions((baseName, source, target) -> {
  			if (builder.length() > 0) {
  				builder.append(PREFERENCE_SEPARATOR);
  			}
  			builder.append(source);
  			builder.append(PREFERENCE_SEPARATOR);
  			builder.append(target);
  		});
  		return builder.toString();
  	}