1. One or more computer-readable media storing computer-executable instructions that are executable to cause one or more processors to perform acts comprising: storing source code and transformed code in a data store used by an application, the transformed code is a transformation of the source code by at least one business semantic preserving code transform, the at least one business semantic preserving transform causes an execution of the transformed code in a new execution scenario to produce an identical semantic effect as an execution of the source code in an old execution scenario; and causing a display of a user interface of the application on a display device, the user interface providing one or more user command items for manipulating at least one of the source code or the transformed code stored in the data store.