1. A method comprising: reading a stereotype of a first profile from a computer readable storage medium, wherein the stereotype defines constraints to be applied to a model associated with the first profile, ; determining that the stereotype indicates a second profile and a third profile; accessing the second profile and the third profile; and aggregating a plurality of constraints from across the second and the third profiles for use as constraints for the stereotype of the first profile, wherein the profiles and the stereotype comport with semantics of a modeling language.