Kingfisher Documentation

Typealias Download​Task​Updated​Block

public typealias DownloadTaskUpdatedBlock = ((_ newTask: DownloadTask?) -> Void) 

The downloading task updated block type. The parameter newTask is the updated new task of image setting process. It is a nil if the image loading does not require an image downloading process. If an image downloading is issued, this value will contain the actual DownloadTask for you to keep and cancel it later if you need.