Eris\Generator\FrequencyGenerator::shrink PHP Method

    public function shrink(GeneratedValue $element)
    {
        if (!$this->contains($element)) {
            throw new DomainException(var_export($element, true) . ' is not in one of the given domains');
        }
        $input = $element->input();
        $originalGeneratorIndex = $input['generator'];
        $shrinkedValue = $this->generators[$originalGeneratorIndex]['generator']->shrink($input['value']);
        return GeneratedValue::fromValueAndInput($shrinkedValue->unbox(), ['value' => $shrinkedValue, 'generator' => $originalGeneratorIndex], 'frequency');
    }