code: def get_all_changes(self, *args, **kwds):
          
          result = []
          for project, refactoring in zip(self.projects, self.refactorings):
              args, kwds = self._resources_for_args(project, args, kwds)
              result.append((project, refactoring.get_changes(*args, **kwds)))
          return result
docs: Get a project to changes dict