static FTransform GetRefFrameFromParents ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [ISequencer](API\Editor\Sequencer\ISequencer) > & Sequencer, const [TArray](API\Runtime\Core\Containers\TArray)< const [UObject](API\Runtime\CoreUObject\UObject\UObject) * > & Parents, [FFrameTime](API\Runtime\Core\Misc\FFrameTime) KeyTime )