Lacerta/app/src/main/res/navigation/main_nav.xml

<?xml version="1.0" encoding="utf-8"?>
<navigation xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/app_main_nav">

    <include app:graph="@navigation/feature_debug_navigation" />

    <fragment
        android:id="@+id/feature_debug_navigation"
        android:name="one.nem.lacerta.feature.debug.BlankFragment"
        android:label="DEBUG_Blank" />


</navigation>