static void GetVertexElements ( [ERHIFeatureLevel::Type](API\Runtime\RHI\ERHIFeatureLevel__Type) FeatureLevel, bool bSupportsManualVertexFetch, [FStaticMeshDataType](API\Runtime\Engine\FStaticMeshDataType) & Data, FVertexDeclarationElementList & Elements, [FVertexStreamList](API\Runtime\RenderCore\FVertexFactory\FVertexStreamList) & InOutStreams )