pub fn BrotliSplitBlock<Alloc: Allocator<u8> + Allocator<u16> + Allocator<u32> + Allocator<floatX> + Allocator<Mem256f> + Allocator<HistogramLiteral> + Allocator<HistogramCommand> + Allocator<HistogramDistance> + Allocator<HistogramPair>>(
    alloc: &mut Alloc,
    cmds: &[Command],
    num_commands: usize,
    data: &[u8],
    pos: usize,
    mask: usize,
    params: &BrotliEncoderParams,
    lit_scratch_space: &mut <HistogramLiteral as CostAccessors>::i32vec,
    cmd_scratch_space: &mut <HistogramCommand as CostAccessors>::i32vec,
    dst_scratch_space: &mut <HistogramDistance as CostAccessors>::i32vec,
    literal_split: &mut BlockSplit<Alloc>,
    insert_and_copy_split: &mut BlockSplit<Alloc>,
    dist_split: &mut BlockSplit<Alloc>
)