src/Services/KeylistsService.php
public function getKeyValue($keyType, $keyValue)
    {
        $list = Keyvalue::getKeyvaluesByKeyType($keyType);
        if (isset($list[$keyValue])) {
            return $list[$keyValue];
        }
        return null;
    }
public function getKeyValue($keyType, $keyValue)
    {
        $list = Keyvalue::getKeyvaluesByKeyType($keyType);
        if (isset($list[$keyValue])) {
            return $list[$keyValue];
        }
        return null;
    }
Fetches a single keyvalue by key type and key value

@param string $keyType
@param string $keyValue
@return Fluent