const [TArray](API\Runtime\Core\Containers\TArray)< [FNiagaraGraphParameterReference](API\Plugins\NiagaraEditor\FNiagaraGraphParameterReference) > GetGraphParameterReferencesForItem ( const [FNiagaraParameterPanelItemBase](API\Plugins\NiagaraEditor\FNiagaraParameterPanelItemBase) & Item ) const