Clarisse 支持 LPEs（AOV）之后，整理分享一些
比较常用的
key light = C.*<L.'key_light'>
diffuse = CD.*<L.'key_light'>
diffuse direct = CD<L.'key_light'>
diffuse indirect = CD.<L.'key_light'>
diffuse (without volume and sss) = C<RD[^'sss']>.*<L.'key_light'>
reflection = CS.*<L.'key_light'>
reflection direct = CS<L.'key_light'>
reflection indirect = CS.<L.'key_light'>
glossy = CG.*<L.'key_light'>
specular = C([ST].*)|(G.*)<L.'key_light'>
sss = C<RD['sss']>.*<L.'key_light'>
volume = CV<L.'key_light'>
environment = C.*<' environment_light'>
emission = C.*O