private static boolean isEqualChangeCaseCall(@NotNull PsiMethodCallExpression qualifierCall,
                                                 @NotNull PsiMethodCallExpression secondCall) {
      return CHANGE_CASE.test(qualifierCall) &&
             CHANGE_CASE.test(secondCall) &&
             qualifierCall.getMethodExpression().getReferenceName() != null &&
             qualifierCall.getMethodExpression().getReferenceName().equals(secondCall.getMethodExpression().getReferenceName());
    }
private static boolean isEqualChangeCaseCall(@NotNull PsiMethodCallExpression qualifierCall,
                                                 @NotNull PsiMethodCallExpression secondCall)