1. A method, on an information processing system, for developing a software module comprising support for multiple versions of an operating environment, the method comprising: determining a first set of references associated with a first version of an application operating environment; determining a second set of references associated with a second version of the application operating environment that is different from the first; associating a first class loader with the first version of the application operating environment; associating a second class loader with the second version of the application operating environment; and encapsulating the first set of references, the second set of references, the first class loader, and the second class loader in a software module, wherein the second set of references are obscured from the first class loader.