Recently we made some changes to the dropsonde library. We changed some
interface types to be concrete structs. This has the possibility of
breaking some users of this library that specify types directly and not use
The following are the types affected with their full import paths for easy
If you declare any of these types in your code you will just need to change
them to be pointers. Alternatively you can create your own local interfaces
in your packages that only specify the methods you require.