50     def to_name(this):  argument
53     def to_pretty_name(this):  argument
56     def snprint(this):  argument
65     def position_to_string(this, pos):  argument
68     def position_to_pretty_string(this, pos):  argument
71     def can_balance(this):  argument
74     def can_fade(this):  argument
77     def parse(this, s):  argument
118     def snprint(this):  argument
127     def max(this):  argument
130     def scale(this, v):  argument
133     def get_balance(this, cm):  argument
136     def get_fade(this, cm):  argument
139     def set_balance(this, cm, f):  argument
142     def set_fade(this, cm, f):  argument
145     def to_dB(this, channel = None):  argument