21     def __init__(self, data):  argument
32     def dump(self):  argument
42     def __init__(self, data):  argument
51     def read_bit(self):  argument
62     def read_uint(self, nbits):  argument
70     def ac_decode(self, cum_freqs, sym_freqs):  argument
92     def get_bits_left(self):  argument
106     def __init__(self, nbytes):  argument
114     def write_bit(self, bit):  argument
129     def write_uint(self, val, nbits):  argument
135     def ac_shift(self):  argument
157     def ac_encode(self, cum_freq, sym_freq):  argument
170     def get_bits_left(self):  argument
185     def terminate(self):  argument