1.common.FeatureEntry.kt

import androidx.navigation.compose.NamedNavArgument

interface FeatureEntry {

    val featureRoute: String

    val arguments: List<NamedNavArgument>
        get() = emptyList()
}

2.common.ComposableFeatureEntry.kt

import androidx.navigation.NavHostController
import androidx.navigation.NavBackStackEntry

interface ComposableFeatureEntry : FeatureEntry {

    fun NavGraphBuilder.composable(
        navController: NavHostController,
        destinations: Destinations,
    ) { backStackEntry ->
        composable(featureRoute, args) {
            Composable(navController, destinations, backStackEntry)
        }
    }

    @Composable
    fun Composable(
        navController: NavHostController,
        destinations: Destinations,
        backStackEntry: NavBackStackEntry
    )
}

3.common.AggregateFeatureEntry.kt

import androidx.navigation.NavHostController

interface AggregateFeatureEntry : FeatureEntry {

    fun NavGraphBuilder.navigation(
        navController: NavHostController,
        destinations: Destinations,
    )
}