BZip2Encoder constructor Null safety

1. Flutter
2. archive_io
3. BZip2Encoder
4. BZip2Encoder constructor

BZip2Encoder class

1. Constructors
2. BZip2Encoder
3. Properties
4. bw
5. hashCode
6. input
7. runtimeType
8. Methods
9. encode
10. noSuchMethod
11. toString
12. Operators
13. operator ==