@nuxtjs/i18n module is installed and configured in your project.i18n option is enabled in the statamic module options.useStatamicI18n is a composable that returns the i18n object from the runtime config. This is mostly used inside the module, since you should be able to use useI18n in your project.
function useStatamicI18n(): NuxtApp["$i18n"]
The i18n Composer object is retrieved from the runtime config using the
useNuxtAppcomposable.