/**
* {@inheritdoc}
*/
public static function fromConfig(MapInterface $config, Types $types) : TypeInterface
{
if ((string) $config->keyType() !== 'scalar' || (string) $config->valueType() !== 'variable') {
throw new InvalidArgumentException();
}
$type = new self();
$type->innerKey = $config->get('key');
$type->innerValue = $config->get('inner');
$type->inner = $types->build($config->get('inner'), $config->remove('inner')->remove('key'));
$type->key = $types->build($config->get('key'), $config->remove('inner')->remove('key'));
return $type;
}
