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/* Example 1: showing how the operator "Removing/keeping provided methods" works. */ trait T1{ abstract method1(); void method2(){/*implementation*/} void method3(){/*implementation*/} void method4(){/*implementation*/} void method5(){/*implementation*/} } class C1{ isA T1<-method2() , -method3()>; void method1() {/*implementation for C1*/} } class C2{ isA T1<+method5()>; void method1() {/*implementation for C2*/} }