code: public EasyRandomParameters stringLengthRange(final int minStringLength, final int maxStringLength) {
          if (minStringLength < 0) {
              throw new IllegalArgumentException("minStringLength must be >= 0");
          }
          if (minStringLength > maxStringLength) {
              throw new IllegalArgumentException(format("minStringLength (%s) must be <= than maxStringLength (%s)",
                      minStringLength, maxStringLength));
          }
          setStringLengthRange(new Range<>(minStringLength, maxStringLength));
          return this;
      }
docs: Set the string length range.
  
  @param minStringLength the minimum string length
  @param maxStringLength the maximum string length
  @return the current {@link EasyRandomParameters} instance for method chaining