void Initialize ( [FRequiredEntryData](API\Plugins\NiagaraEditor\ViewModels\Stack\UNiagaraStackEntry\FRequiredEntryData) InRequiredEntryData, [UObject](API\Runtime\CoreUObject\UObject\UObject) * InObject, bool bInIsTopLevelObject, [FString](API\Runtime\Core\Containers\FString) InOwnerStackItemEditorDataKey, [UNiagaraNode](API\Plugins\NiagaraEditor\UNiagaraNode) * InOwningNiagaraNode )