enum class AggregateInstanceStream_t : uint8
{
    AGGREGATE_INSTANCE_STREAM_NONE = 0,
    AGGREGATE_INSTANCE_STREAM_LIGHTMAPUV_UNORM16 = 1, // (1 << 0)
    AGGREGATE_INSTANCE_STREAM_VERTEXTINT_UNORM8 = 2, // (1 << 1)
    AGGREGATE_INSTANCE_STREAM_VERTEXBLEND_UNORM8 = 4, // (1 << 2)
};