private static boolean isFluentIterableFromCall(PsiMethodCallExpression expression) {
        PsiMethod method = expression.resolveMethod();
        if (method == null || !GuavaFluentIterableConversionRule.CHAIN_HEAD_METHODS.contains(method.getName())) {
          return false;
        }
        PsiClass aClass = method.getContainingClass();
        return isFluentIterable(aClass);
      }
private static boolean isFluentIterableFromCall(PsiMethodCallExpression expression)