src/Type/Definition/EnumType.php
public function parseValue($value)
    {
        $lookup = $this->getNameLookup();
        if (isset($lookup[$value])) {
            return $lookup[$value]->value;
        }

        throw new Error('Cannot represent value as enum: ' . Utils::printSafe($value));
    }
public function parseValue($value)
    {
        $lookup = $this->getNameLookup();
        if (isset($lookup[$value])) {
            return $lookup[$value]->value;
        }

        throw new Error('Cannot represent value as enum: ' . Utils::printSafe($value));
    }
@param mixed $value

@return mixed

@throws Error