const [TArray](API\Runtime\Core\Containers\TArray)< [TSoftObjectPtr](API\Runtime\CoreUObject\UObject\TSoftObjectPtr)< [UMaterialInterface](API\Runtime\Engine\Materials\UMaterialInterface) > > & GetMaterialOverrides ( [PCGMetadataEntryKey](API\Plugins\PCG\Metadata\PCGMetadataEntryKey) EntryKey )