@Override
        public int checkForProblems(@NotNull M memberInfo) {
          final int problem = super.checkForProblems(memberInfo);
          if (problem == OK) return OK;
          final PsiMember member = memberInfo.getMember();
          if (member instanceof PsiMethod) {
            if (interfaceContainmentVerifier.checkedInterfacesContain((PsiMethod)member)) return OK;
          }
          return problem;
        }
@Override
        public int checkForProblems(@NotNull M memberInfo)