EntityConversionWizard::createFromExternalized

static function createFromExternalized(array $externalizedParams): ?self
{
	$converter = EntityConverter::createFromExternalized((array)($externalizedParams['converter'] ?? null));
	if (!$converter)
	{
		return null;
	}

	$wizard = new self($converter);
	$wizard->internalize($externalizedParams);

	return static::checkInstanceIntegrity($wizard) ? $wizard : null;
}