MemoryPolicy constructor Null safety

1. jrpn
2. model
3. MemoryPolicy
4. MemoryPolicy constructor

MemoryPolicy class

1. Constructors
2. MemoryPolicy
3. Properties
4. hashCode
5. maxProgramBytes
6. runtimeType
7. Methods
8. checkExtendProgramMemory
9. checkRegisterAccess
10. noSuchMethod
11. showMemory
12. toString
13. Operators
14. operator ==