FAnimationViewportClient ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< class [IPersonaPreviewScene](API\Editor\Persona\IPersonaPreviewScene) > & InPreviewScene, const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< class SAnimationEditorViewport > & InAnimationEditorViewport, const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< class [FAssetEditorToolkit](API\Editor\UnrealEd\Toolkits\FAssetEditorToolkit) > & InAssetEditorToolkit, int32 InViewportIndex, bool bInShowStats )