static [TArray](API\Runtime\Core\Containers\TArray)< [FRichCurveKey](API\Runtime\Engine\Curves\FRichCurveKey) > KeysToBase ( const [TArray](API\Runtime\Core\Containers\TArray)< [FRichCurveKeyBP](API\Plugins\CascadeToNiagaraConverter\FRichCurveKeyBP) > & InKeyBPs )