Represents options passed to ZipReader#getEntries, ZipReader#getEntriesGenerator, and ZipWriter#close.
Optional
The function called each time an entry is read/written.
The entry index.
The total number of entries.
The entry being read/written.
An empty promise or undefined.
undefined
Represents options passed to ZipReader#getEntries, ZipReader#getEntriesGenerator, and ZipWriter#close.