1120     off(type: 'progress', callback?: (receivedSize: number, totalSize: number) => void): void;  method
1198     off(type: 'complete' | 'pause' | 'remove', callback?: () => void): void;  method
1264     off(type: 'fail', callback?: (err: number) => void): void;  method
2139     off(type: 'progress', callback?: (uploadedSize: number, totalSize: number) => void): void;  method
2205     off(type: 'headerReceive', callback?: (header: object) => void): void;  method
2277     off(type: 'complete' | 'fail', callback?: Callback<Array<TaskState>>): void;  method
4366       off(event: 'progress', callback?: (progress: Progress) => void): void;  method
4414       off(event: 'completed', callback?: (progress: Progress) => void): void;  method
4462       off(event: 'failed', callback?: (progress: Progress) => void): void;  method
4484       off(event: 'pause', callback?: (progress: Progress) => void): void;  method
4506       off(event: 'resume', callback?: (progress: Progress) => void): void;  method
4528       off(event: 'remove', callback?: (progress: Progress) => void): void;  method
4552       off(event: 'response', callback?: Callback<HttpResponse>): void;  method