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Perhaps this is a request to generalize Change Method Parameters to Change Method Signature. Basically, I just encountered a situation the IDE should be able to do, but there is no way to do it. I had public <T> T performQuery (ObjectIdentifier id, Class<T> returnType); and would like to change the signature to public <T extends Identifiable> T performQuery (ObjectIdentifier id, Class<T> returnType); It would be useful to have a refactoring that allows this - Change Method Parameters seems like the logical place (with a better name - Idea's "Change Signature" is clearer anyway). And generally, refactoring a return type to be a supertype or subtype of the current return type is something the IDE could do.
*** Bug 100569 has been marked as a duplicate of this bug. ***
*** Bug 118260 has been marked as a duplicate of this bug. ***
*** Bug 145154 has been marked as a duplicate of this bug. ***
Isn't it vice versa, the relation of the duplicates?
+1