template <_Bool uses_lz77>
auto DecodeModularChannelMAANS(BitReader* br, ANSSymbolReader* reader, const std::vector<uint8_t>& context_map, const jxl::Tree& global_tree, const Header& wp_header, jxl::pixel_type chan, size_t group_id, TreeLut<uint8_t, true>& tree_lut, Image* image) -> Status