typedef [TShaderPermutationDomain](API\Runtime\RenderCore\TShaderPermutationDomain)< [FRibbonWantsConstantTessellation](API\Plugins\NiagaraShader\FRibbonWantsConstantTessellation), [FRibbonWantsAutomaticTessellation](API\Plugins\NiagaraShader\FRibbonWantsAutomaticTessellatio-) > FPermutationDomain