progress

type Bar interface {
	Current() int64
	Completed() bool
	Reset(total, current int64)
	ResetDefined(current int64)
	Done()

	Increment(n int)
	Increment64(n int64)

	NewWorker() errors.Error
	NewWorkerTry() bool
	DeferWorker()
	DeferMain(dropBar bool)

	WaitAll() errors.Error

	GetBarMPB() *mpb.Bar
}

type ProgressBar interface {
	GetMPB() *mpb.Progress
	SetMaxThread(maxSimultaneous int)
	SetContext(ctx context.Context)

	UnicProcessInit()
	UnicProcessWait() errors.Error
	UnicProcessNewWorker() errors.Error
	UnicProcessDeferWorker()
	UnicProcessDefer()

	NewBar(total int64, options ...mpb.BarOption) Bar

	NewBarETA(name string, total int64, job string, parent Bar) Bar
	NewBarCounter(name string, total int64, job string, parent Bar) Bar
	NewBarKBits(name string, total int64, job string, parent Bar) Bar

	NewBarSimpleETA(name string, total int64) Bar
	NewBarSimpleCounter(name string, total int64) Bar
	NewBarSimpleKBits(name string, total int64) Bar
}