Do I have to specify in the nuxt config files if I am using the app dir?

I am using Nuxt 4 and was wondering if I have to specify the

src

src

dir in the NuxtConfig file if the said file is in the root of the project and I am using the

app

app

dir structure.

Do I have to specify in the nuxt config files if I am using the app dir? - Nuxt