export declare class ProgressBar { total: number; current: number; barLength: number; format: string; constructor(props: { total: number; format?: string; barLength?: number; }); initialize(): void; update({ current, formatArgs, }: { current: number; formatArgs?: Record; }): void; increment({ formatArgs, }?: { formatArgs?: Record; }): void; complete({ formatArgs }?: { formatArgs?: Record; }): void; }