I installed the Arduino extension Arduino extension in VSCode which is supposed to include intellisense however it doesn't seem to be working. This is my c_cpp_properties.json:
And here is an example of the intellisense not working:
As you can see, intellisense should be able to predict the keyword Serial however it does not.
I have Command Line Tools installed. Is there a missing directory that I should include in the "includePath" property.