virtual [TOptional](API\Runtime\Core\IO\TOptional)< [UE::Interchange::FImportImage](API\Plugins\InterchangeImport\Texture\FImportImage) > GetCompressedTexturePayloadData ( const [UInterchangeSourceData](API\Runtime\InterchangeCore\UInterchangeSourceData) * PayloadSourceData, const [FString](API\Runtime\Core\Containers\FString) & PayloadKey )