Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.
SortedList.addAll(...) should return a boolean value indicating if the Collection was modified is any way as a result of the call.
Previously addAll(...) would return false if only partial changes occurred and would only return true if all elements had been inserted, or if adding an empty list which in not in accordance to the Java JLS/API as documented in https://docs.oracle.com/javase/8/docs/api/?java/util/Collections.html.