pub fn BrotliBuildHistogramsWithContext<'a, Alloc: Allocator<u8> + Allocator<u32>>(
cmds: &[Command],
num_commands: usize,
literal_split: &BlockSplit<Alloc>,
insert_and_copy_split: &BlockSplit<Alloc>,
dist_split: &BlockSplit<Alloc>,
ringbuffer: &[u8],
start_pos: usize,
mask: usize,
prev_byte: u8,
prev_byte2: u8,
context_modes: &[ContextType],
literal_histograms: &mut [HistogramLiteral],
insert_and_copy_histograms: &mut [HistogramCommand],
copy_dist_histograms: &mut [HistogramDistance]
)