absolute   decrement   finish   finished?   increment   new   none?   percentage_completed   percentage_completed_with_precision   progress=   reset   start   total=   total_with_unknown_indicator   unknown?  

DEFAULT_TOTAL	=	100
DEFAULT_BEGINNING_POSITION	=	0
DEFAULT_SMOOTHING	=	0.1

progress	[R]
running_average	[RW]
smoothing	[RW]
starting_position	[RW]
total	[R]