Create SCNLight with spherical harmonics coefficients

Hi,


I have some external process providing me with spherical harmonics coefficients for a light at a given point. I want to use these as lights in a SceneKit scene. I was happy to see `SCNLight` supports spherical harmonics coefficients, but less so when I saw it is read only - so how am I supposed to initialize a `SCNLight` with some externally-provided spherical harmonics?


Thanks.