public int formatFloatValueWithPrependedAndAppendedText(char[] formattedValue, float value, int
            defaultDigitsNumber) {
        return formatFloatValueWithPrependedAndAppendedText(formattedValue, value, defaultDigitsNumber, null);
    }
@see #formatFloatValueWithPrependedAndAppendedText(char[], float, int, char[])
hellocharts-library/src/lecho/lib/hellocharts/formatter/ValueFormatterHelper.java