ZipDecoder constructor Null safety

1. Flutter
2. archive_io
3. ZipDecoder
4. ZipDecoder constructor

ZipDecoder class

1. Constructors
2. ZipDecoder
3. Properties
4. directory
5. hashCode
6. runtimeType
7. Methods
8. decodeBuffer
9. decodeBytes
10. noSuchMethod
11. toString
12. Operators
13. operator ==