code: @NotNull
    private List<String> getFormattedConversions(List<Map.Entry<Unit, Double>> conversions) {
      List<String> formatted = new ArrayList<>();
      for (Map.Entry<Unit, Double> equivalent : conversions) {
        Unit metric = equivalent.getKey();
        double converted = equivalent.getValue();
        long rounded = Math.round(converted);
        for (String symbol : unitSymbols.getOrDefault(metric, new ArrayList<>())) {
          if (formatted.size() > MAX_SUGGESTIONS) {
            break;
          }
          if (Math.abs(converted - rounded) / Math.abs(converted) < ROUNDING_DELTA && rounded != 0) {
            String formattedStr = formatRounded(getNumberFormat().format(rounded) + " " + symbol);
            if (!formatted.contains(formattedStr)) {
              formatted.add(formattedStr);
            }
          }
          String formattedNumber = getNumberFormat().format(converted);
          String formattedStr = formattedNumber + " " + symbol;
          // TODO: be cleverer than !equals("0"), can prevent valid conversions
          if (!formatted.contains(formattedStr) && !formattedNumber.equals("0")) {
            formatted.add(formattedStr);
          }
        }
      }
      return formatted;
    }
docs: Adds different formatted variants of the given conversions up to MAX_SUGGESTIONS.
  @param conversions as computed by getMetricEquivalent
  @return formatted numbers, with various units and unit symbols, rounded to integers or according to getNumberFormat